74821480

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2707}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 168654240

約数和(自身を除く): 93832760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2707, 2764, 3455, 5414, 5528, 6910, 10828, 13535, 13820, 21656, 27070, 27640, 54140, 108280, 1870537, 3741074, 7482148, 9352685, 14964296, 18705370, 37410740, 74821480]

約数ペア:

[(1, 74821480), (2, 37410740), (4, 18705370), (5, 14964296), (8, 9352685), (10, 7482148), (20, 3741074), (40, 1870537), (691, 108280), (1382, 54140), (2707, 27640), (2764, 27070), (3455, 21656), (5414, 13820), (5528, 13535), (6910, 10828)]