801157220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{977021}}^1$

素因数の和:977071

約数の個数: 24

約数和(自身を含む): 1723466808

約数和(自身を除く): 922309588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 977021, 1954042, 3908084, 4885105, 9770210, 19540420, 40057861, 80115722, 160231444, 200289305, 400578610, 801157220]

約数ペア:

[(1, 801157220), (2, 400578610), (4, 200289305), (5, 160231444), (10, 80115722), (20, 40057861), (41, 19540420), (82, 9770210), (164, 4885105), (205, 3908084), (410, 1954042), (820, 977021)]