479581640

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{17351}}^1$

素因数の和:18053

約数の個数: 32

約数和(自身を含む): 1080682560

約数和(自身を除く): 601100920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 17351, 27640, 34702, 69404, 86755, 138808, 173510, 347020, 694040, 11989541, 23979082, 47958164, 59947705, 95916328, 119895410, 239790820, 479581640]

約数ペア:

[(1, 479581640), (2, 239790820), (4, 119895410), (5, 95916328), (8, 59947705), (10, 47958164), (20, 23979082), (40, 11989541), (691, 694040), (1382, 347020), (2764, 173510), (3455, 138808), (5528, 86755), (6910, 69404), (13820, 34702), (17351, 27640)]