25196180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40639}}^1$

素因数の和:40679

約数の個数: 24

約数和(自身を含む): 54620160

約数和(自身を除く): 29423980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40639, 81278, 162556, 203195, 406390, 812780, 1259809, 2519618, 5039236, 6299045, 12598090, 25196180]

約数ペア:

[(1, 25196180), (2, 12598090), (4, 6299045), (5, 5039236), (10, 2519618), (20, 1259809), (31, 812780), (62, 406390), (124, 203195), (155, 162556), (310, 81278), (620, 40639)]