8889781160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{6863}}^1$

素因数の和:6987

約数の個数: 128

約数和(自身を含む): 22417274880

約数和(自身を除く): 13527493720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 53, 65, 94, 104, 106, 130, 188, 212, 235, 260, 265, 376, 424, 470, 520, 530, 611, 689, 940, 1060, 1222, 1378, 1880, 2120, 2444, 2491, 2756, 3055, 3445, 4888, 4982, 5512, 6110, 6863, 6890, 9964, 12220, 12455, 13726, 13780, 19928, 24440, 24910, 27452, 27560, 32383, 34315, 49820, 54904, 64766, 68630, 89219, 99640, 129532, 137260, 161915, 178438, 259064, 274520, 322561, 323830, 356876, 363739, 446095, 645122, 647660, 713752, 727478, 892190, 1290244, 1295320, 1454956, 1612805, 1784380, 1818695, 2580488, 2909912, 3225610, 3568760, 3637390, 4193293, 4728607, 6451220, 7274780, 8386586, 9457214, 12902440, 14549560, 16773172, 17095733, 18914428, 20966465, 23643035, 33546344, 34191466, 37828856, 41932930, 47286070, 68382932, 83865860, 85478665, 94572140, 136765864, 167731720, 170957330, 189144280, 222244529, 341914660, 444489058, 683829320, 888978116, 1111222645, 1777956232, 2222445290, 4444890580, 8889781160]

約数ペア:

[(1, 8889781160), (2, 4444890580), (4, 2222445290), (5, 1777956232), (8, 1111222645), (10, 888978116), (13, 683829320), (20, 444489058), (26, 341914660), (40, 222244529), (47, 189144280), (52, 170957330), (53, 167731720), (65, 136765864), (94, 94572140), (104, 85478665), (106, 83865860), (130, 68382932), (188, 47286070), (212, 41932930), (235, 37828856), (260, 34191466), (265, 33546344), (376, 23643035), (424, 20966465), (470, 18914428), (520, 17095733), (530, 16773172), (611, 14549560), (689, 12902440), (940, 9457214), (1060, 8386586), (1222, 7274780), (1378, 6451220), (1880, 4728607), (2120, 4193293), (2444, 3637390), (2491, 3568760), (2756, 3225610), (3055, 2909912), (3445, 2580488), (4888, 1818695), (4982, 1784380), (5512, 1612805), (6110, 1454956), (6863, 1295320), (6890, 1290244), (9964, 892190), (12220, 727478), (12455, 713752), (13726, 647660), (13780, 645122), (19928, 446095), (24440, 363739), (24910, 356876), (27452, 323830), (27560, 322561), (32383, 274520), (34315, 259064), (49820, 178438), (54904, 161915), (64766, 137260), (68630, 129532), (89219, 99640)]