31205450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{21521}}^1$

素因数の和:21562

約数の個数: 24

約数和(自身を含む): 60046380

約数和(自身を除く): 28840930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 21521, 43042, 107605, 215210, 538025, 624109, 1076050, 1248218, 3120545, 6241090, 15602725, 31205450]

約数ペア:

[(1, 31205450), (2, 15602725), (5, 6241090), (10, 3120545), (25, 1248218), (29, 1076050), (50, 624109), (58, 538025), (145, 215210), (290, 107605), (725, 43042), (1450, 21521)]