12580840

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{769}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 28413000

約数和(自身を除く): 15832160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 769, 818, 1538, 1636, 2045, 3076, 3272, 3845, 4090, 6152, 7690, 8180, 15380, 16360, 30760, 314521, 629042, 1258084, 1572605, 2516168, 3145210, 6290420, 12580840]

約数ペア:

[(1, 12580840), (2, 6290420), (4, 3145210), (5, 2516168), (8, 1572605), (10, 1258084), (20, 629042), (40, 314521), (409, 30760), (769, 16360), (818, 15380), (1538, 8180), (1636, 7690), (2045, 6152), (3076, 4090), (3272, 3845)]