10390880

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 24830064

約数和(自身を除く): 14439184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 643, 808, 1010, 1286, 1616, 2020, 2572, 3215, 3232, 4040, 5144, 6430, 8080, 10288, 12860, 16160, 20576, 25720, 51440, 64943, 102880, 129886, 259772, 324715, 519544, 649430, 1039088, 1298860, 2078176, 2597720, 5195440, 10390880]

約数ペア:

[(1, 10390880), (2, 5195440), (4, 2597720), (5, 2078176), (8, 1298860), (10, 1039088), (16, 649430), (20, 519544), (32, 324715), (40, 259772), (80, 129886), (101, 102880), (160, 64943), (202, 51440), (404, 25720), (505, 20576), (643, 16160), (808, 12860), (1010, 10288), (1286, 8080), (1616, 6430), (2020, 5144), (2572, 4040), (3215, 3232)]