25731040

素因数分解:

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

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 61650288

約数和(自身を除く): 35919248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2203, 2336, 2920, 4406, 5840, 8812, 11015, 11680, 17624, 22030, 35248, 44060, 70496, 88120, 160819, 176240, 321638, 352480, 643276, 804095, 1286552, 1608190, 2573104, 3216380, 5146208, 6432760, 12865520, 25731040]

約数ペア:

[(1, 25731040), (2, 12865520), (4, 6432760), (5, 5146208), (8, 3216380), (10, 2573104), (16, 1608190), (20, 1286552), (32, 804095), (40, 643276), (73, 352480), (80, 321638), (146, 176240), (160, 160819), (292, 88120), (365, 70496), (584, 44060), (730, 35248), (1168, 22030), (1460, 17624), (2203, 11680), (2336, 11015), (2920, 8812), (4406, 5840)]