2898081640

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{104851}}^1$

素因数の和:105553

約数の個数: 32

約数和(自身を含む): 6530182560

約数和(自身を除く): 3632100920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 104851, 209702, 419404, 524255, 838808, 1048510, 2097020, 4194040, 72452041, 144904082, 289808164, 362260205, 579616328, 724520410, 1449040820, 2898081640]

約数ペア:

[(1, 2898081640), (2, 1449040820), (4, 724520410), (5, 579616328), (8, 362260205), (10, 289808164), (20, 144904082), (40, 72452041), (691, 4194040), (1382, 2097020), (2764, 1048510), (3455, 838808), (5528, 524255), (6910, 419404), (13820, 209702), (27640, 104851)]