2018011640

素因数分解:

$2^3\times 5^1\times {\mathrm{50450291}}^1$

素因数の和:50450302

約数の個数: 16

約数和(自身を含む): 4540526280

約数和(自身を除く): 2522514640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50450291, 100900582, 201801164, 252251455, 403602328, 504502910, 1009005820, 2018011640]

約数ペア:

[(1, 2018011640), (2, 1009005820), (4, 504502910), (5, 403602328), (8, 252251455), (10, 201801164), (20, 100900582), (40, 50450291)]