1685680840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{980047}}^1$

素因数の和:980101

約数の個数: 32

約数和(自身を含む): 3880990080

約数和(自身を除く): 2195309240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 980047, 1960094, 3920188, 4900235, 7840376, 9800470, 19600940, 39201880, 42142021, 84284042, 168568084, 210710105, 337136168, 421420210, 842840420, 1685680840]

約数ペア:

[(1, 1685680840), (2, 842840420), (4, 421420210), (5, 337136168), (8, 210710105), (10, 168568084), (20, 84284042), (40, 42142021), (43, 39201880), (86, 19600940), (172, 9800470), (215, 7840376), (344, 4900235), (430, 3920188), (860, 1960094), (1720, 980047)]