42105880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7573}}^1$

素因数の和:7723

約数の個数: 32

約数和(自身を含む): 95432400

約数和(自身を除く): 53326520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7573, 15146, 30292, 37865, 60584, 75730, 151460, 302920, 1052647, 2105294, 4210588, 5263235, 8421176, 10526470, 21052940, 42105880]

約数ペア:

[(1, 42105880), (2, 21052940), (4, 10526470), (5, 8421176), (8, 5263235), (10, 4210588), (20, 2105294), (40, 1052647), (139, 302920), (278, 151460), (556, 75730), (695, 60584), (1112, 37865), (1390, 30292), (2780, 15146), (5560, 7573)]