39898820

素因数分解:

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

素因数の和:153479

約数の個数: 24

約数和(自身を含む): 90233304

約数和(自身を除く): 50334484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153457, 306914, 613828, 767285, 1534570, 1994941, 3069140, 3989882, 7979764, 9974705, 19949410, 39898820]

約数ペア:

[(1, 39898820), (2, 19949410), (4, 9974705), (5, 7979764), (10, 3989882), (13, 3069140), (20, 1994941), (26, 1534570), (52, 767285), (65, 613828), (130, 306914), (260, 153457)]