51556480

素因数分解:

$2^7\times 5^1\times {\mathrm{80557}}^1$

素因数の和:80576

約数の個数: 32

約数和(自身を含む): 123253740

約数和(自身を除く): 71697260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80557, 161114, 322228, 402785, 644456, 805570, 1288912, 1611140, 2577824, 3222280, 5155648, 6444560, 10311296, 12889120, 25778240, 51556480]

約数ペア:

[(1, 51556480), (2, 25778240), (4, 12889120), (5, 10311296), (8, 6444560), (10, 5155648), (16, 3222280), (20, 2577824), (32, 1611140), (40, 1288912), (64, 805570), (80, 644456), (128, 402785), (160, 322228), (320, 161114), (640, 80557)]