16380025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 21587904

約数和(自身を除く): 5207879

約数列:

[1, 5, 23, 25, 61, 115, 305, 467, 575, 1403, 1525, 2335, 7015, 10741, 11675, 28487, 35075, 53705, 142435, 268525, 655201, 712175, 3276005, 16380025]

約数ペア:

[(1, 16380025), (5, 3276005), (23, 712175), (25, 655201), (61, 268525), (115, 142435), (305, 53705), (467, 35075), (575, 28487), (1403, 11675), (1525, 10741), (2335, 7015)]