40555280

素因数分解:

$2^4\times 5^1\times {\mathrm{506941}}^1$

素因数の和:506954

約数の個数: 20

約数和(自身を含む): 94291212

約数和(自身を除く): 53735932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506941, 1013882, 2027764, 2534705, 4055528, 5069410, 8111056, 10138820, 20277640, 40555280]

約数ペア:

[(1, 40555280), (2, 20277640), (4, 10138820), (5, 8111056), (8, 5069410), (10, 4055528), (16, 2534705), (20, 2027764), (40, 1013882), (80, 506941)]