26121220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42131}}^1$

素因数の和:42171

約数の個数: 24

約数和(自身を含む): 56625408

約数和(自身を除く): 30504188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 42131, 84262, 168524, 210655, 421310, 842620, 1306061, 2612122, 5224244, 6530305, 13060610, 26121220]

約数ペア:

[(1, 26121220), (2, 13060610), (4, 6530305), (5, 5224244), (10, 2612122), (20, 1306061), (31, 842620), (62, 421310), (124, 210655), (155, 168524), (310, 84262), (620, 42131)]