128061880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{29921}}^1$

素因数の和:30039

約数の個数: 32

約数和(自身を含む): 290841840

約数和(自身を除く): 162779960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 29921, 59842, 119684, 149605, 239368, 299210, 598420, 1196840, 3201547, 6403094, 12806188, 16007735, 25612376, 32015470, 64030940, 128061880]

約数ペア:

[(1, 128061880), (2, 64030940), (4, 32015470), (5, 25612376), (8, 16007735), (10, 12806188), (20, 6403094), (40, 3201547), (107, 1196840), (214, 598420), (428, 299210), (535, 239368), (856, 149605), (1070, 119684), (2140, 59842), (4280, 29921)]