2021336080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{616261}}^1$

素因数の和:616315

約数の個数: 40

約数和(自身を含む): 4814238744

約数和(自身を除く): 2792902664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 616261, 1232522, 2465044, 3081305, 4930088, 6162610, 9860176, 12325220, 24650440, 25266701, 49300880, 50533402, 101066804, 126333505, 202133608, 252667010, 404267216, 505334020, 1010668040, 2021336080]

約数ペア:

[(1, 2021336080), (2, 1010668040), (4, 505334020), (5, 404267216), (8, 252667010), (10, 202133608), (16, 126333505), (20, 101066804), (40, 50533402), (41, 49300880), (80, 25266701), (82, 24650440), (164, 12325220), (205, 9860176), (328, 6162610), (410, 4930088), (656, 3081305), (820, 2465044), (1640, 1232522), (3280, 616261)]