51991360

素因数分解:

$2^6\times 5^1\times {\mathrm{162473}}^1$

素因数の和:162490

約数の個数: 28

約数和(自身を含む): 123805188

約数和(自身を除く): 71813828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 162473, 324946, 649892, 812365, 1299784, 1624730, 2599568, 3249460, 5199136, 6498920, 10398272, 12997840, 25995680, 51991360]

約数ペア:

[(1, 51991360), (2, 25995680), (4, 12997840), (5, 10398272), (8, 6498920), (10, 5199136), (16, 3249460), (20, 2599568), (32, 1624730), (40, 1299784), (64, 812365), (80, 649892), (160, 324946), (320, 162473)]