525620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 1132488

約数和(自身を除く): 606868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 641, 820, 1282, 2564, 3205, 6410, 12820, 26281, 52562, 105124, 131405, 262810, 525620]

約数ペア:

[(1, 525620), (2, 262810), (4, 131405), (5, 105124), (10, 52562), (20, 26281), (41, 12820), (82, 6410), (164, 3205), (205, 2564), (410, 1282), (641, 820)]