40701680

素因数分解:

$2^4\times 5^1\times {\mathrm{508771}}^1$

素因数の和:508784

約数の個数: 20

約数和(自身を含む): 94631592

約数和(自身を除く): 53929912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508771, 1017542, 2035084, 2543855, 4070168, 5087710, 8140336, 10175420, 20350840, 40701680]

約数ペア:

[(1, 40701680), (2, 20350840), (4, 10175420), (5, 8140336), (8, 5087710), (10, 4070168), (16, 2543855), (20, 2035084), (40, 1017542), (80, 508771)]