2080592560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{634327}}^1$

素因数の和:634381

約数の個数: 40

約数和(自身を含む): 4955370336

約数和(自身を除く): 2874777776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 634327, 1268654, 2537308, 3171635, 5074616, 6343270, 10149232, 12686540, 25373080, 26007407, 50746160, 52014814, 104029628, 130037035, 208059256, 260074070, 416118512, 520148140, 1040296280, 2080592560]

約数ペア:

[(1, 2080592560), (2, 1040296280), (4, 520148140), (5, 416118512), (8, 260074070), (10, 208059256), (16, 130037035), (20, 104029628), (40, 52014814), (41, 50746160), (80, 26007407), (82, 25373080), (164, 12686540), (205, 10149232), (328, 6343270), (410, 5074616), (656, 3171635), (820, 2537308), (1640, 1268654), (3280, 634327)]