118921025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 155105400

約数和(自身を除く): 36184375

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 2689, 8845, 13445, 44225, 67225, 77981, 164029, 389905, 820145, 1949525, 4100725, 4756841, 23784205, 118921025]

約数ペア:

[(1, 118921025), (5, 23784205), (25, 4756841), (29, 4100725), (61, 1949525), (145, 820145), (305, 389905), (725, 164029), (1525, 77981), (1769, 67225), (2689, 44225), (8845, 13445)]