66220075

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 84275856

約数和(自身を除く): 18055781

約数列:

[1, 5, 25, 61, 173, 251, 305, 865, 1255, 1525, 4325, 6275, 10553, 15311, 43423, 52765, 76555, 217115, 263825, 382775, 1085575, 2648803, 13244015, 66220075]

約数ペア:

[(1, 66220075), (5, 13244015), (25, 2648803), (61, 1085575), (173, 382775), (251, 263825), (305, 217115), (865, 76555), (1255, 52765), (1525, 43423), (4325, 15311), (6275, 10553)]