2018936720

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{29243}}^1$

素因数の和:30119

約数の個数: 40

約数和(自身を含む): 4699627776

約数和(自身を除く): 2680691056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1726, 3452, 4315, 6904, 8630, 13808, 17260, 29243, 34520, 58486, 69040, 116972, 146215, 233944, 292430, 467888, 584860, 1169720, 2339440, 25236709, 50473418, 100946836, 126183545, 201893672, 252367090, 403787344, 504734180, 1009468360, 2018936720]

約数ペア:

[(1, 2018936720), (2, 1009468360), (4, 504734180), (5, 403787344), (8, 252367090), (10, 201893672), (16, 126183545), (20, 100946836), (40, 50473418), (80, 25236709), (863, 2339440), (1726, 1169720), (3452, 584860), (4315, 467888), (6904, 292430), (8630, 233944), (13808, 146215), (17260, 116972), (29243, 69040), (34520, 58486)]