31703620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121937}}^1$

素因数の和:121959

約数の個数: 24

約数和(自身を含む): 71699544

約数和(自身を除く): 39995924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121937, 243874, 487748, 609685, 1219370, 1585181, 2438740, 3170362, 6340724, 7925905, 15851810, 31703620]

約数ペア:

[(1, 31703620), (2, 15851810), (4, 7925905), (5, 6340724), (10, 3170362), (13, 2438740), (20, 1585181), (26, 1219370), (52, 609685), (65, 487748), (130, 243874), (260, 121937)]