118457960

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{12391}}^1$

素因数の和:12641

約数の個数: 32

約数和(自身を含む): 267667200

約数和(自身を除く): 149209240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 12391, 24782, 49564, 61955, 99128, 123910, 247820, 495640, 2961449, 5922898, 11845796, 14807245, 23691592, 29614490, 59228980, 118457960]

約数ペア:

[(1, 118457960), (2, 59228980), (4, 29614490), (5, 23691592), (8, 14807245), (10, 11845796), (20, 5922898), (40, 2961449), (239, 495640), (478, 247820), (956, 123910), (1195, 99128), (1912, 61955), (2390, 49564), (4780, 24782), (9560, 12391)]