51678575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8369}}^1$

素因数の和:8411

約数の個数: 24

約数和(自身を含む): 72651600

約数和(自身を除く): 20973025

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 8369, 41845, 108797, 159011, 209225, 543985, 795055, 2067143, 2719925, 3975275, 10335715, 51678575]

約数ペア:

[(1, 51678575), (5, 10335715), (13, 3975275), (19, 2719925), (25, 2067143), (65, 795055), (95, 543985), (247, 209225), (325, 159011), (475, 108797), (1235, 41845), (6175, 8369)]