61860440

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2957}}^1$

素因数の和:3491

約数の個数: 32

約数和(自身を含む): 139499280

約数和(自身を除く): 77638840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 2957, 4184, 5230, 5914, 10460, 11828, 14785, 20920, 23656, 29570, 59140, 118280, 1546511, 3093022, 6186044, 7732555, 12372088, 15465110, 30930220, 61860440]

約数ペア:

[(1, 61860440), (2, 30930220), (4, 15465110), (5, 12372088), (8, 7732555), (10, 6186044), (20, 3093022), (40, 1546511), (523, 118280), (1046, 59140), (2092, 29570), (2615, 23656), (2957, 20920), (4184, 14785), (5230, 11828), (5914, 10460)]