55242020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 118837488

約数和(自身を除く): 63595468

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 241, 292, 314, 365, 482, 628, 730, 785, 964, 1205, 1460, 1570, 2410, 3140, 4820, 11461, 17593, 22922, 35186, 37837, 45844, 57305, 70372, 75674, 87965, 114610, 151348, 175930, 189185, 229220, 351860, 378370, 756740, 2762101, 5524202, 11048404, 13810505, 27621010, 55242020]

約数ペア:

[(1, 55242020), (2, 27621010), (4, 13810505), (5, 11048404), (10, 5524202), (20, 2762101), (73, 756740), (146, 378370), (157, 351860), (241, 229220), (292, 189185), (314, 175930), (365, 151348), (482, 114610), (628, 87965), (730, 75674), (785, 70372), (964, 57305), (1205, 45844), (1460, 37837), (1570, 35186), (2410, 22922), (3140, 17593), (4820, 11461)]