801140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 1725192

約数和(自身を除く): 924052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 977, 1954, 3908, 4885, 9770, 19540, 40057, 80114, 160228, 200285, 400570, 801140]

約数ペア:

[(1, 801140), (2, 400570), (4, 200285), (5, 160228), (10, 80114), (20, 40057), (41, 19540), (82, 9770), (164, 4885), (205, 3908), (410, 1954), (820, 977)]