51570040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12517}}^1$

素因数の和:12631

約数の個数: 32

約数和(自身を含む): 117168480

約数和(自身を除く): 65598440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 12517, 25034, 50068, 62585, 100136, 125170, 250340, 500680, 1289251, 2578502, 5157004, 6446255, 10314008, 12892510, 25785020, 51570040]

約数ペア:

[(1, 51570040), (2, 25785020), (4, 12892510), (5, 10314008), (8, 6446255), (10, 5157004), (20, 2578502), (40, 1289251), (103, 500680), (206, 250340), (412, 125170), (515, 100136), (824, 62585), (1030, 50068), (2060, 25034), (4120, 12517)]