40996820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28871}}^1$

素因数の和:28951

約数の個数: 24

約数和(自身を含む): 87308928

約数和(自身を除く): 46312108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28871, 57742, 115484, 144355, 288710, 577420, 2049841, 4099682, 8199364, 10249205, 20498410, 40996820]

約数ペア:

[(1, 40996820), (2, 20498410), (4, 10249205), (5, 8199364), (10, 4099682), (20, 2049841), (71, 577420), (142, 288710), (284, 144355), (355, 115484), (710, 57742), (1420, 28871)]