16947760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5167}}^1$

素因数の和:5221

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 23424656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5167, 10334, 20668, 25835, 41336, 51670, 82672, 103340, 206680, 211847, 413360, 423694, 847388, 1059235, 1694776, 2118470, 3389552, 4236940, 8473880, 16947760]

約数ペア:

[(1, 16947760), (2, 8473880), (4, 4236940), (5, 3389552), (8, 2118470), (10, 1694776), (16, 1059235), (20, 847388), (40, 423694), (41, 413360), (80, 211847), (82, 206680), (164, 103340), (205, 82672), (328, 51670), (410, 41336), (656, 25835), (820, 20668), (1640, 10334), (3280, 5167)]