71372020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{7741}}^1$

素因数の和:8211

約数の個数: 24

約数和(自身を含む): 150225768

約数和(自身を除く): 78853748

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 7741, 9220, 15482, 30964, 38705, 77410, 154820, 3568601, 7137202, 14274404, 17843005, 35686010, 71372020]

約数ペア:

[(1, 71372020), (2, 35686010), (4, 17843005), (5, 14274404), (10, 7137202), (20, 3568601), (461, 154820), (922, 77410), (1844, 38705), (2305, 30964), (4610, 15482), (7741, 9220)]