8708440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16747}}^1$

素因数の和:16771

約数の個数: 32

約数和(自身を含む): 21102480

約数和(自身を除く): 12394040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16747, 33494, 66988, 83735, 133976, 167470, 217711, 334940, 435422, 669880, 870844, 1088555, 1741688, 2177110, 4354220, 8708440]

約数ペア:

[(1, 8708440), (2, 4354220), (4, 2177110), (5, 1741688), (8, 1088555), (10, 870844), (13, 669880), (20, 435422), (26, 334940), (40, 217711), (52, 167470), (65, 133976), (104, 83735), (130, 66988), (260, 33494), (520, 16747)]