2100807775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{54959}}^1$

素因数の和:55119

約数の個数: 24

約数和(自身を含む): 2862316800

約数和(自身を除く): 761509025

約数列:

[1, 5, 11, 25, 55, 139, 275, 695, 1529, 3475, 7645, 38225, 54959, 274795, 604549, 1373975, 3022745, 7639301, 15113725, 38196505, 84032311, 190982525, 420161555, 2100807775]

約数ペア:

[(1, 2100807775), (5, 420161555), (11, 190982525), (25, 84032311), (55, 38196505), (139, 15113725), (275, 7639301), (695, 3022745), (1529, 1373975), (3475, 604549), (7645, 274795), (38225, 54959)]