8399420

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{911}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 17696448

約数和(自身を除く): 9297028

約数列:

[1, 2, 4, 5, 10, 20, 461, 911, 922, 1822, 1844, 2305, 3644, 4555, 4610, 9110, 9220, 18220, 419971, 839942, 1679884, 2099855, 4199710, 8399420]

約数ペア:

[(1, 8399420), (2, 4199710), (4, 2099855), (5, 1679884), (10, 839942), (20, 419971), (461, 18220), (911, 9220), (922, 9110), (1822, 4610), (1844, 4555), (2305, 3644)]