79797640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153457}}^1$

素因数の和:153481

約数の個数: 32

約数和(自身を含む): 193357080

約数和(自身を除く): 113559440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153457, 306914, 613828, 767285, 1227656, 1534570, 1994941, 3069140, 3989882, 6138280, 7979764, 9974705, 15959528, 19949410, 39898820, 79797640]

約数ペア:

[(1, 79797640), (2, 39898820), (4, 19949410), (5, 15959528), (8, 9974705), (10, 7979764), (13, 6138280), (20, 3989882), (26, 3069140), (40, 1994941), (52, 1534570), (65, 1227656), (104, 767285), (130, 613828), (260, 306914), (520, 153457)]