254757640

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{21737}}^1$

素因数の和:22041

約数の個数: 32

約数和(自身を含む): 575187480

約数和(自身を除く): 320429840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 21737, 43474, 86948, 108685, 173896, 217370, 434740, 869480, 6368941, 12737882, 25475764, 31844705, 50951528, 63689410, 127378820, 254757640]

約数ペア:

[(1, 254757640), (2, 127378820), (4, 63689410), (5, 50951528), (8, 31844705), (10, 25475764), (20, 12737882), (40, 6368941), (293, 869480), (586, 434740), (1172, 217370), (1465, 173896), (2344, 108685), (2930, 86948), (5860, 43474), (11720, 21737)]