90362840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77899}}^1$

素因数の和:77939

約数の個数: 32

約数和(自身を含む): 210330000

約数和(自身を除く): 119967160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77899, 155798, 311596, 389495, 623192, 778990, 1557980, 2259071, 3115960, 4518142, 9036284, 11295355, 18072568, 22590710, 45181420, 90362840]

約数ペア:

[(1, 90362840), (2, 45181420), (4, 22590710), (5, 18072568), (8, 11295355), (10, 9036284), (20, 4518142), (29, 3115960), (40, 2259071), (58, 1557980), (116, 778990), (145, 623192), (232, 389495), (290, 311596), (580, 155798), (1160, 77899)]