10128020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 24665088

約数和(自身を除く): 14537068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 991, 1022, 1460, 1982, 2044, 2555, 3964, 4955, 5110, 6937, 9910, 10220, 13874, 19820, 27748, 34685, 69370, 72343, 138740, 144686, 289372, 361715, 506401, 723430, 1012802, 1446860, 2025604, 2532005, 5064010, 10128020]

約数ペア:

[(1, 10128020), (2, 5064010), (4, 2532005), (5, 2025604), (7, 1446860), (10, 1012802), (14, 723430), (20, 506401), (28, 361715), (35, 289372), (70, 144686), (73, 138740), (140, 72343), (146, 69370), (292, 34685), (365, 27748), (511, 19820), (730, 13874), (991, 10220), (1022, 9910), (1460, 6937), (1982, 5110), (2044, 4955), (2555, 3964)]