2017390160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{249677}}^1$

素因数の和:249791

約数の個数: 40

約数和(自身を含む): 4736891016

約数和(自身を除く): 2719500856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 249677, 499354, 998708, 1248385, 1997416, 2496770, 3994832, 4993540, 9987080, 19974160, 25217377, 50434754, 100869508, 126086885, 201739016, 252173770, 403478032, 504347540, 1008695080, 2017390160]

約数ペア:

[(1, 2017390160), (2, 1008695080), (4, 504347540), (5, 403478032), (8, 252173770), (10, 201739016), (16, 126086885), (20, 100869508), (40, 50434754), (80, 25217377), (101, 19974160), (202, 9987080), (404, 4993540), (505, 3994832), (808, 2496770), (1010, 1997416), (1616, 1248385), (2020, 998708), (4040, 499354), (8080, 249677)]