67666180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109139}}^1$

素因数の和:109179

約数の個数: 24

約数和(自身を含む): 146684160

約数和(自身を除く): 79017980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109139, 218278, 436556, 545695, 1091390, 2182780, 3383309, 6766618, 13533236, 16916545, 33833090, 67666180]

約数ペア:

[(1, 67666180), (2, 33833090), (4, 16916545), (5, 13533236), (10, 6766618), (20, 3383309), (31, 2182780), (62, 1091390), (124, 545695), (155, 436556), (310, 218278), (620, 109139)]