31808200

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 74498580

約数和(自身を除く): 42690380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1013, 1256, 1570, 2026, 3140, 3925, 4052, 5065, 6280, 7850, 8104, 10130, 15700, 20260, 25325, 31400, 40520, 50650, 101300, 159041, 202600, 318082, 636164, 795205, 1272328, 1590410, 3180820, 3976025, 6361640, 7952050, 15904100, 31808200]

約数ペア:

[(1, 31808200), (2, 15904100), (4, 7952050), (5, 6361640), (8, 3976025), (10, 3180820), (20, 1590410), (25, 1272328), (40, 795205), (50, 636164), (100, 318082), (157, 202600), (200, 159041), (314, 101300), (628, 50650), (785, 40520), (1013, 31400), (1256, 25325), (1570, 20260), (2026, 15700), (3140, 10130), (3925, 8104), (4052, 7850), (5065, 6280)]