28745525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 38092800

約数和(自身を除く): 9347275

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 1279, 4495, 6395, 22475, 31975, 37091, 39649, 185455, 198245, 927275, 991225, 1149821, 5749105, 28745525]

約数ペア:

[(1, 28745525), (5, 5749105), (25, 1149821), (29, 991225), (31, 927275), (145, 198245), (155, 185455), (725, 39649), (775, 37091), (899, 31975), (1279, 22475), (4495, 6395)]