26958220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43481}}^1$

素因数の和:43521

約数の個数: 24

約数和(自身を含む): 58439808

約数和(自身を除く): 31481588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 43481, 86962, 173924, 217405, 434810, 869620, 1347911, 2695822, 5391644, 6739555, 13479110, 26958220]

約数ペア:

[(1, 26958220), (2, 13479110), (4, 6739555), (5, 5391644), (10, 2695822), (20, 1347911), (31, 869620), (62, 434810), (124, 217405), (155, 173924), (310, 86962), (620, 43481)]