11965640

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 27027000

約数和(自身を除く): 15061360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 769, 778, 1538, 1556, 1945, 3076, 3112, 3845, 3890, 6152, 7690, 7780, 15380, 15560, 30760, 299141, 598282, 1196564, 1495705, 2393128, 2991410, 5982820, 11965640]

約数ペア:

[(1, 11965640), (2, 5982820), (4, 2991410), (5, 2393128), (8, 1495705), (10, 1196564), (20, 598282), (40, 299141), (389, 30760), (769, 15560), (778, 15380), (1538, 7780), (1556, 7690), (1945, 6152), (3076, 3890), (3112, 3845)]