6429620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7841}}^1$

素因数の和:7891

約数の個数: 24

約数和(自身を含む): 13833288

約数和(自身を除く): 7403668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 7841, 15682, 31364, 39205, 78410, 156820, 321481, 642962, 1285924, 1607405, 3214810, 6429620]

約数ペア:

[(1, 6429620), (2, 3214810), (4, 1607405), (5, 1285924), (10, 642962), (20, 321481), (41, 156820), (82, 78410), (164, 39205), (205, 31364), (410, 15682), (820, 7841)]