65568640

素因数分解:

$2^7\times 5^1\times {\mathrm{102451}}^1$

素因数の和:102470

約数の個数: 32

約数和(自身を含む): 156751560

約数和(自身を除く): 91182920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102451, 204902, 409804, 512255, 819608, 1024510, 1639216, 2049020, 3278432, 4098040, 6556864, 8196080, 13113728, 16392160, 32784320, 65568640]

約数ペア:

[(1, 65568640), (2, 32784320), (4, 16392160), (5, 13113728), (8, 8196080), (10, 6556864), (16, 4098040), (20, 3278432), (32, 2049020), (40, 1639216), (64, 1024510), (80, 819608), (128, 512255), (160, 409804), (320, 204902), (640, 102451)]