641750260

素因数分解:

$2^2\times 5^1\times {\mathrm{4603}}^1\times {\mathrm{6971}}^1$

素因数の和:11583

約数の個数: 24

約数和(自身を含む): 1348161696

約数和(自身を除く): 706411436

約数列:

[1, 2, 4, 5, 10, 20, 4603, 6971, 9206, 13942, 18412, 23015, 27884, 34855, 46030, 69710, 92060, 139420, 32087513, 64175026, 128350052, 160437565, 320875130, 641750260]

約数ペア:

[(1, 641750260), (2, 320875130), (4, 160437565), (5, 128350052), (10, 64175026), (20, 32087513), (4603, 139420), (6971, 92060), (9206, 69710), (13942, 46030), (18412, 34855), (23015, 27884)]