807149780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{984329}}^1$

素因数の和:984379

約数の個数: 24

約数和(自身を含む): 1736358120

約数和(自身を除く): 929208340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 984329, 1968658, 3937316, 4921645, 9843290, 19686580, 40357489, 80714978, 161429956, 201787445, 403574890, 807149780]

約数ペア:

[(1, 807149780), (2, 403574890), (4, 201787445), (5, 161429956), (10, 80714978), (20, 40357489), (41, 19686580), (82, 9843290), (164, 4921645), (205, 3937316), (410, 1968658), (820, 984329)]