66881425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10831}}^1$

素因数の和:10873

約数の個数: 24

約数和(自身を含む): 94021760

約数和(自身を除く): 27140335

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 10831, 54155, 140803, 205789, 270775, 704015, 1028945, 2675257, 3520075, 5144725, 13376285, 66881425]

約数ペア:

[(1, 66881425), (5, 13376285), (13, 5144725), (19, 3520075), (25, 2675257), (65, 1028945), (95, 704015), (247, 270775), (325, 205789), (475, 140803), (1235, 54155), (6175, 10831)]