8439820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 19027008

約数和(自身を除く): 10587188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 241, 340, 412, 482, 515, 964, 1030, 1205, 1751, 2060, 2410, 3502, 4097, 4820, 7004, 8194, 8755, 16388, 17510, 20485, 24823, 35020, 40970, 49646, 81940, 99292, 124115, 248230, 421991, 496460, 843982, 1687964, 2109955, 4219910, 8439820]

約数ペア:

[(1, 8439820), (2, 4219910), (4, 2109955), (5, 1687964), (10, 843982), (17, 496460), (20, 421991), (34, 248230), (68, 124115), (85, 99292), (103, 81940), (170, 49646), (206, 40970), (241, 35020), (340, 24823), (412, 20485), (482, 17510), (515, 16388), (964, 8755), (1030, 8194), (1205, 7004), (1751, 4820), (2060, 4097), (2410, 3502)]