16985960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 41040000

約数和(自身を除く): 24054040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 499, 740, 851, 920, 998, 1480, 1702, 1996, 2495, 3404, 3992, 4255, 4990, 6808, 8510, 9980, 11477, 17020, 18463, 19960, 22954, 34040, 36926, 45908, 57385, 73852, 91816, 92315, 114770, 147704, 184630, 229540, 369260, 424649, 459080, 738520, 849298, 1698596, 2123245, 3397192, 4246490, 8492980, 16985960]

約数ペア:

[(1, 16985960), (2, 8492980), (4, 4246490), (5, 3397192), (8, 2123245), (10, 1698596), (20, 849298), (23, 738520), (37, 459080), (40, 424649), (46, 369260), (74, 229540), (92, 184630), (115, 147704), (148, 114770), (184, 92315), (185, 91816), (230, 73852), (296, 57385), (370, 45908), (460, 36926), (499, 34040), (740, 22954), (851, 19960), (920, 18463), (998, 17020), (1480, 11477), (1702, 9980), (1996, 8510), (2495, 6808), (3404, 4990), (3992, 4255)]