25845640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8179}}^1$

素因数の和:8269

約数の個数: 32

約数和(自身を含む): 58896000

約数和(自身を除く): 33050360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8179, 16358, 32716, 40895, 65432, 81790, 163580, 327160, 646141, 1292282, 2584564, 3230705, 5169128, 6461410, 12922820, 25845640]

約数ペア:

[(1, 25845640), (2, 12922820), (4, 6461410), (5, 5169128), (8, 3230705), (10, 2584564), (20, 1292282), (40, 646141), (79, 327160), (158, 163580), (316, 81790), (395, 65432), (632, 40895), (790, 32716), (1580, 16358), (3160, 8179)]