40139620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15803}}^1$

素因数の和:15939

約数の個数: 24

約数和(自身を含む): 84962304

約数和(自身を除く): 44822684

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15803, 31606, 63212, 79015, 158030, 316060, 2006981, 4013962, 8027924, 10034905, 20069810, 40139620]

約数ペア:

[(1, 40139620), (2, 20069810), (4, 10034905), (5, 8027924), (10, 4013962), (20, 2006981), (127, 316060), (254, 158030), (508, 79015), (635, 63212), (1270, 31606), (2540, 15803)]