99968920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{10457}}^1$

素因数の和:10707

約数の個数: 32

約数和(自身を含む): 225892800

約数和(自身を除く): 125923880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 10457, 20914, 41828, 52285, 83656, 104570, 209140, 418280, 2499223, 4998446, 9996892, 12496115, 19993784, 24992230, 49984460, 99968920]

約数ペア:

[(1, 99968920), (2, 49984460), (4, 24992230), (5, 19993784), (8, 12496115), (10, 9996892), (20, 4998446), (40, 2499223), (239, 418280), (478, 209140), (956, 104570), (1195, 83656), (1912, 52285), (2390, 41828), (4780, 20914), (9560, 10457)]