11636440

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 26282160

約数和(自身を除く): 14645720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 691, 842, 1382, 1684, 2105, 2764, 3368, 3455, 4210, 5528, 6910, 8420, 13820, 16840, 27640, 290911, 581822, 1163644, 1454555, 2327288, 2909110, 5818220, 11636440]

約数ペア:

[(1, 11636440), (2, 5818220), (4, 2909110), (5, 2327288), (8, 1454555), (10, 1163644), (20, 581822), (40, 290911), (421, 27640), (691, 16840), (842, 13820), (1382, 8420), (1684, 6910), (2105, 5528), (2764, 4210), (3368, 3455)]