61764025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 78809688

約数和(自身を除く): 17045663

約数列:

[1, 5, 25, 61, 101, 305, 401, 505, 1525, 2005, 2525, 6161, 10025, 24461, 30805, 40501, 122305, 154025, 202505, 611525, 1012525, 2470561, 12352805, 61764025]

約数ペア:

[(1, 61764025), (5, 12352805), (25, 2470561), (61, 1012525), (101, 611525), (305, 202505), (401, 154025), (505, 122305), (1525, 40501), (2005, 30805), (2525, 24461), (6161, 10025)]