8107420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3719}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 9078980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3719, 7438, 14876, 18595, 37190, 74380, 405371, 810742, 1621484, 2026855, 4053710, 8107420]

約数ペア:

[(1, 8107420), (2, 4053710), (4, 2026855), (5, 1621484), (10, 810742), (20, 405371), (109, 74380), (218, 37190), (436, 18595), (545, 14876), (1090, 7438), (2180, 3719)]