25516120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91129}}^1$

素因数の和:91147

約数の個数: 32

約数和(自身を含む): 65613600

約数和(自身を除く): 40097480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91129, 182258, 364516, 455645, 637903, 729032, 911290, 1275806, 1822580, 2551612, 3189515, 3645160, 5103224, 6379030, 12758060, 25516120]

約数ペア:

[(1, 25516120), (2, 12758060), (4, 6379030), (5, 5103224), (7, 3645160), (8, 3189515), (10, 2551612), (14, 1822580), (20, 1275806), (28, 911290), (35, 729032), (40, 637903), (56, 455645), (70, 364516), (140, 182258), (280, 91129)]