25313980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40829}}^1$

素因数の和:40869

約数の個数: 24

約数和(自身を含む): 54875520

約数和(自身を除く): 29561540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40829, 81658, 163316, 204145, 408290, 816580, 1265699, 2531398, 5062796, 6328495, 12656990, 25313980]

約数ペア:

[(1, 25313980), (2, 12656990), (4, 6328495), (5, 5062796), (10, 2531398), (20, 1265699), (31, 816580), (62, 408290), (124, 204145), (155, 163316), (310, 81658), (620, 40829)]