15798025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 20931200

約数和(自身を除く): 5133175

約数列:

[1, 5, 19, 25, 79, 95, 395, 421, 475, 1501, 1975, 2105, 7505, 7999, 10525, 33259, 37525, 39995, 166295, 199975, 631921, 831475, 3159605, 15798025]

約数ペア:

[(1, 15798025), (5, 3159605), (19, 831475), (25, 631921), (79, 199975), (95, 166295), (395, 39995), (421, 37525), (475, 33259), (1501, 10525), (1975, 7999), (2105, 7505)]