42122180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67939}}^1$

素因数の和:67979

約数の個数: 24

約数和(自身を含む): 91311360

約数和(自身を除く): 49189180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 67939, 135878, 271756, 339695, 679390, 1358780, 2106109, 4212218, 8424436, 10530545, 21061090, 42122180]

約数ペア:

[(1, 42122180), (2, 21061090), (4, 10530545), (5, 8424436), (10, 4212218), (20, 2106109), (31, 1358780), (62, 679390), (124, 339695), (155, 271756), (310, 135878), (620, 67939)]