129289975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1181}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 167087520

約数和(自身を除く): 37797545

約数列:

[1, 5, 25, 29, 145, 151, 725, 755, 1181, 3775, 4379, 5905, 21895, 29525, 34249, 109475, 171245, 178331, 856225, 891655, 4458275, 5171599, 25857995, 129289975]

約数ペア:

[(1, 129289975), (5, 25857995), (25, 5171599), (29, 4458275), (145, 891655), (151, 856225), (725, 178331), (755, 171245), (1181, 109475), (3775, 34249), (4379, 29525), (5905, 21895)]