81679520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 210325248

約数和(自身を除く): 128645728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 107, 130, 160, 208, 214, 260, 367, 416, 428, 520, 535, 734, 856, 1040, 1070, 1391, 1468, 1712, 1835, 2080, 2140, 2782, 2936, 3424, 3670, 4280, 4771, 5564, 5872, 6955, 7340, 8560, 9542, 11128, 11744, 13910, 14680, 17120, 19084, 22256, 23855, 27820, 29360, 38168, 39269, 44512, 47710, 55640, 58720, 76336, 78538, 95420, 111280, 152672, 157076, 190840, 196345, 222560, 314152, 381680, 392690, 510497, 628304, 763360, 785380, 1020994, 1256608, 1570760, 2041988, 2552485, 3141520, 4083976, 5104970, 6283040, 8167952, 10209940, 16335904, 20419880, 40839760, 81679520]

約数ペア:

[(1, 81679520), (2, 40839760), (4, 20419880), (5, 16335904), (8, 10209940), (10, 8167952), (13, 6283040), (16, 5104970), (20, 4083976), (26, 3141520), (32, 2552485), (40, 2041988), (52, 1570760), (65, 1256608), (80, 1020994), (104, 785380), (107, 763360), (130, 628304), (160, 510497), (208, 392690), (214, 381680), (260, 314152), (367, 222560), (416, 196345), (428, 190840), (520, 157076), (535, 152672), (734, 111280), (856, 95420), (1040, 78538), (1070, 76336), (1391, 58720), (1468, 55640), (1712, 47710), (1835, 44512), (2080, 39269), (2140, 38168), (2782, 29360), (2936, 27820), (3424, 23855), (3670, 22256), (4280, 19084), (4771, 17120), (5564, 14680), (5872, 13910), (6955, 11744), (7340, 11128), (8560, 9542)]