8657480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16649}}^1$

素因数の和:16673

約数の個数: 32

約数和(自身を含む): 20979000

約数和(自身を除く): 12321520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16649, 33298, 66596, 83245, 133192, 166490, 216437, 332980, 432874, 665960, 865748, 1082185, 1731496, 2164370, 4328740, 8657480]

約数ペア:

[(1, 8657480), (2, 4328740), (4, 2164370), (5, 1731496), (8, 1082185), (10, 865748), (13, 665960), (20, 432874), (26, 332980), (40, 216437), (52, 166490), (65, 133192), (104, 83245), (130, 66596), (260, 33298), (520, 16649)]