188858540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{726379}}^1$

素因数の和:726401

約数の個数: 24

約数和(自身を含む): 427111440

約数和(自身を除く): 238252900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 726379, 1452758, 2905516, 3631895, 7263790, 9442927, 14527580, 18885854, 37771708, 47214635, 94429270, 188858540]

約数ペア:

[(1, 188858540), (2, 94429270), (4, 47214635), (5, 37771708), (10, 18885854), (13, 14527580), (20, 9442927), (26, 7263790), (52, 3631895), (65, 2905516), (130, 1452758), (260, 726379)]