82719640

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6607}}^1$

素因数の和:6931

約数の個数: 32

約数和(自身を含む): 186742080

約数和(自身を除く): 104022440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6607, 12520, 13214, 26428, 33035, 52856, 66070, 132140, 264280, 2067991, 4135982, 8271964, 10339955, 16543928, 20679910, 41359820, 82719640]

約数ペア:

[(1, 82719640), (2, 41359820), (4, 20679910), (5, 16543928), (8, 10339955), (10, 8271964), (20, 4135982), (40, 2067991), (313, 264280), (626, 132140), (1252, 66070), (1565, 52856), (2504, 33035), (3130, 26428), (6260, 13214), (6607, 12520)]