1285956010

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{31981}}^1$

素因数の和:36009

約数の個数: 16

約数和(自身を含む): 2315368872

約数和(自身を除く): 1029412862

約数列:

[1, 2, 5, 10, 4021, 8042, 20105, 31981, 40210, 63962, 159905, 319810, 128595601, 257191202, 642978005, 1285956010]

約数ペア:

[(1, 1285956010), (2, 642978005), (5, 257191202), (10, 128595601), (4021, 319810), (8042, 159905), (20105, 63962), (31981, 40210)]