8121380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13099}}^1$

素因数の和:13139

約数の個数: 24

約数和(自身を含む): 17606400

約数和(自身を除く): 9485020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13099, 26198, 52396, 65495, 130990, 261980, 406069, 812138, 1624276, 2030345, 4060690, 8121380]

約数ペア:

[(1, 8121380), (2, 4060690), (4, 2030345), (5, 1624276), (10, 812138), (20, 406069), (31, 261980), (62, 130990), (124, 65495), (155, 52396), (310, 26198), (620, 13099)]