78967720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8933}}^1$

素因数の和:8974

約数の個数: 64

約数和(自身を含む): 202623120

約数和(自身を除く): 123655400

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 8933, 17866, 35732, 44665, 71464, 89330, 116129, 151861, 178660, 232258, 303722, 357320, 464516, 580645, 607444, 759305, 929032, 1161290, 1214888, 1518610, 1974193, 2322580, 3037220, 3948386, 4645160, 6074440, 7896772, 9870965, 15793544, 19741930, 39483860, 78967720]

約数ペア:

[(1, 78967720), (2, 39483860), (4, 19741930), (5, 15793544), (8, 9870965), (10, 7896772), (13, 6074440), (17, 4645160), (20, 3948386), (26, 3037220), (34, 2322580), (40, 1974193), (52, 1518610), (65, 1214888), (68, 1161290), (85, 929032), (104, 759305), (130, 607444), (136, 580645), (170, 464516), (221, 357320), (260, 303722), (340, 232258), (442, 178660), (520, 151861), (680, 116129), (884, 89330), (1105, 71464), (1768, 44665), (2210, 35732), (4420, 17866), (8840, 8933)]