69888640

素因数分解:

$2^7\times 5^1\times {\mathrm{109201}}^1$

素因数の和:109220

約数の個数: 32

約数和(自身を含む): 167079060

約数和(自身を除く): 97190420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 109201, 218402, 436804, 546005, 873608, 1092010, 1747216, 2184020, 3494432, 4368040, 6988864, 8736080, 13977728, 17472160, 34944320, 69888640]

約数ペア:

[(1, 69888640), (2, 34944320), (4, 17472160), (5, 13977728), (8, 8736080), (10, 6988864), (16, 4368040), (20, 3494432), (32, 2184020), (40, 1747216), (64, 1092010), (80, 873608), (128, 546005), (160, 436804), (320, 218402), (640, 109201)]