25072525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 32451048

約数和(自身を除く): 7378523

約数列:

[1, 5, 25, 41, 61, 205, 305, 401, 1025, 1525, 2005, 2501, 10025, 12505, 16441, 24461, 62525, 82205, 122305, 411025, 611525, 1002901, 5014505, 25072525]

約数ペア:

[(1, 25072525), (5, 5014505), (25, 1002901), (41, 611525), (61, 411025), (205, 122305), (305, 82205), (401, 62525), (1025, 24461), (1525, 16441), (2005, 12505), (2501, 10025)]