828993820

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{26759}}^1$

素因数の和:28317

約数の個数: 24

約数和(自身を含む): 1742076000

約数和(自身を除く): 913082180

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 15490, 26759, 30980, 53518, 107036, 133795, 267590, 535180, 41449691, 82899382, 165798764, 207248455, 414496910, 828993820]

約数ペア:

[(1, 828993820), (2, 414496910), (4, 207248455), (5, 165798764), (10, 82899382), (20, 41449691), (1549, 535180), (3098, 267590), (6196, 133795), (7745, 107036), (15490, 53518), (26759, 30980)]