201022040

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{3257}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 452731680

約数和(自身を除く): 251709640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 3257, 6172, 6514, 7715, 12344, 13028, 15430, 16285, 26056, 30860, 32570, 61720, 65140, 130280, 5025551, 10051102, 20102204, 25127755, 40204408, 50255510, 100511020, 201022040]

約数ペア:

[(1, 201022040), (2, 100511020), (4, 50255510), (5, 40204408), (8, 25127755), (10, 20102204), (20, 10051102), (40, 5025551), (1543, 130280), (3086, 65140), (3257, 61720), (6172, 32570), (6514, 30860), (7715, 26056), (12344, 16285), (13028, 15430)]