40438340

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3331}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 85085952

約数和(自身を除く): 44647612

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 2428, 3035, 3331, 6070, 6662, 12140, 13324, 16655, 33310, 66620, 2021917, 4043834, 8087668, 10109585, 20219170, 40438340]

約数ペア:

[(1, 40438340), (2, 20219170), (4, 10109585), (5, 8087668), (10, 4043834), (20, 2021917), (607, 66620), (1214, 33310), (2428, 16655), (3035, 13324), (3331, 12140), (6070, 6662)]