20848743760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{13009}}^1$

素因数の和:13125

約数の個数: 160

約数和(自身を含む): 55288961280

約数和(自身を除く): 34440217520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 67, 80, 92, 104, 115, 130, 134, 184, 208, 230, 260, 268, 299, 335, 368, 460, 520, 536, 598, 670, 871, 920, 1040, 1072, 1196, 1340, 1495, 1541, 1742, 1840, 2392, 2680, 2990, 3082, 3484, 4355, 4784, 5360, 5980, 6164, 6968, 7705, 8710, 11960, 12328, 13009, 13936, 15410, 17420, 20033, 23920, 24656, 26018, 30820, 34840, 40066, 52036, 61640, 65045, 69680, 80132, 100165, 104072, 123280, 130090, 160264, 169117, 200330, 208144, 260180, 299207, 320528, 338234, 400660, 520360, 598414, 676468, 801320, 845585, 871603, 1040720, 1196828, 1352936, 1496035, 1602640, 1691170, 1743206, 2393656, 2705872, 2992070, 3382340, 3486412, 3889691, 4358015, 4787312, 5984140, 6764680, 6972824, 7779382, 8716030, 11330839, 11968280, 13529360, 13945648, 15558764, 17432060, 19448455, 20046869, 22661678, 23936560, 31117528, 34864120, 38896910, 40093738, 45323356, 56654195, 62235056, 69728240, 77793820, 80187476, 90646712, 100234345, 113308390, 155587640, 160374952, 181293424, 200468690, 226616780, 260609297, 311175280, 320749904, 400937380, 453233560, 521218594, 801874760, 906467120, 1042437188, 1303046485, 1603749520, 2084874376, 2606092970, 4169748752, 5212185940, 10424371880, 20848743760]

約数ペア:

[(1, 20848743760), (2, 10424371880), (4, 5212185940), (5, 4169748752), (8, 2606092970), (10, 2084874376), (13, 1603749520), (16, 1303046485), (20, 1042437188), (23, 906467120), (26, 801874760), (40, 521218594), (46, 453233560), (52, 400937380), (65, 320749904), (67, 311175280), (80, 260609297), (92, 226616780), (104, 200468690), (115, 181293424), (130, 160374952), (134, 155587640), (184, 113308390), (208, 100234345), (230, 90646712), (260, 80187476), (268, 77793820), (299, 69728240), (335, 62235056), (368, 56654195), (460, 45323356), (520, 40093738), (536, 38896910), (598, 34864120), (670, 31117528), (871, 23936560), (920, 22661678), (1040, 20046869), (1072, 19448455), (1196, 17432060), (1340, 15558764), (1495, 13945648), (1541, 13529360), (1742, 11968280), (1840, 11330839), (2392, 8716030), (2680, 7779382), (2990, 6972824), (3082, 6764680), (3484, 5984140), (4355, 4787312), (4784, 4358015), (5360, 3889691), (5980, 3486412), (6164, 3382340), (6968, 2992070), (7705, 2705872), (8710, 2393656), (11960, 1743206), (12328, 1691170), (13009, 1602640), (13936, 1496035), (15410, 1352936), (17420, 1196828), (20033, 1040720), (23920, 871603), (24656, 845585), (26018, 801320), (30820, 676468), (34840, 598414), (40066, 520360), (52036, 400660), (61640, 338234), (65045, 320528), (69680, 299207), (80132, 260180), (100165, 208144), (104072, 200330), (123280, 169117), (130090, 160264)]