9887920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17657}}^1$

素因数の和:17677

約数の個数: 40

約数和(自身を含む): 26275104

約数和(自身を除く): 16387184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 17657, 35314, 70628, 88285, 123599, 141256, 176570, 247198, 282512, 353140, 494396, 617995, 706280, 988792, 1235990, 1412560, 1977584, 2471980, 4943960, 9887920]

約数ペア:

[(1, 9887920), (2, 4943960), (4, 2471980), (5, 1977584), (7, 1412560), (8, 1235990), (10, 988792), (14, 706280), (16, 617995), (20, 494396), (28, 353140), (35, 282512), (40, 247198), (56, 176570), (70, 141256), (80, 123599), (112, 88285), (140, 70628), (280, 35314), (560, 17657)]