3977420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 8473248

約数和(自身を除く): 4495828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2801, 5602, 11204, 14005, 28010, 56020, 198871, 397742, 795484, 994355, 1988710, 3977420]

約数ペア:

[(1, 3977420), (2, 1988710), (4, 994355), (5, 795484), (10, 397742), (20, 198871), (71, 56020), (142, 28010), (284, 14005), (355, 11204), (710, 5602), (1420, 2801)]