40181420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37907}}^1$

素因数の和:37969

約数の個数: 24

約数和(自身を含む): 85975344

約数和(自身を除く): 45793924

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 37907, 75814, 151628, 189535, 379070, 758140, 2009071, 4018142, 8036284, 10045355, 20090710, 40181420]

約数ペア:

[(1, 40181420), (2, 20090710), (4, 10045355), (5, 8036284), (10, 4018142), (20, 2009071), (53, 758140), (106, 379070), (212, 189535), (265, 151628), (530, 75814), (1060, 37907)]