3133720

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 7110000

約数和(自身を除く): 3976280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 499, 628, 785, 998, 1256, 1570, 1996, 2495, 3140, 3992, 4990, 6280, 9980, 19960, 78343, 156686, 313372, 391715, 626744, 783430, 1566860, 3133720]

約数ペア:

[(1, 3133720), (2, 1566860), (4, 783430), (5, 626744), (8, 391715), (10, 313372), (20, 156686), (40, 78343), (157, 19960), (314, 9980), (499, 6280), (628, 4990), (785, 3992), (998, 3140), (1256, 2495), (1570, 1996)]