12865520

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2203}}^1$

素因数の和:2289

約数の個数: 40

約数和(自身を含む): 30335856

約数和(自身を除く): 17470336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2203, 2920, 4406, 5840, 8812, 11015, 17624, 22030, 35248, 44060, 88120, 160819, 176240, 321638, 643276, 804095, 1286552, 1608190, 2573104, 3216380, 6432760, 12865520]

約数ペア:

[(1, 12865520), (2, 6432760), (4, 3216380), (5, 2573104), (8, 1608190), (10, 1286552), (16, 804095), (20, 643276), (40, 321638), (73, 176240), (80, 160819), (146, 88120), (292, 44060), (365, 35248), (584, 22030), (730, 17624), (1168, 11015), (1460, 8812), (2203, 5840), (2920, 4406)]