4005290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9769}}^1$

素因数の和:9817

約数の個数: 16

約数和(自身を含む): 7386120

約数和(自身を除く): 3380830

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 9769, 19538, 48845, 97690, 400529, 801058, 2002645, 4005290]

約数ペア:

[(1, 4005290), (2, 2002645), (5, 801058), (10, 400529), (41, 97690), (82, 48845), (205, 19538), (410, 9769)]