2018082680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{462863}}^1$

素因数の和:462983

約数の個数: 32

約数和(自身を含む): 4582353600

約数和(自身を除く): 2564270920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 462863, 925726, 1851452, 2314315, 3702904, 4628630, 9257260, 18514520, 50452067, 100904134, 201808268, 252260335, 403616536, 504520670, 1009041340, 2018082680]

約数ペア:

[(1, 2018082680), (2, 1009041340), (4, 504520670), (5, 403616536), (8, 252260335), (10, 201808268), (20, 100904134), (40, 50452067), (109, 18514520), (218, 9257260), (436, 4628630), (545, 3702904), (872, 2314315), (1090, 1851452), (2180, 925726), (4360, 462863)]