40263760

素因数分解:

$2^4\times 5^1\times {\mathrm{503297}}^1$

素因数の和:503310

約数の個数: 20

約数和(自身を含む): 93613428

約数和(自身を除く): 53349668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503297, 1006594, 2013188, 2516485, 4026376, 5032970, 8052752, 10065940, 20131880, 40263760]

約数ペア:

[(1, 40263760), (2, 20131880), (4, 10065940), (5, 8052752), (8, 5032970), (10, 4026376), (16, 2516485), (20, 2013188), (40, 1006594), (80, 503297)]