2018014960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1940399}}^1$

素因数の和:1940425

約数の個数: 40

約数和(自身を含む): 5052801600

約数和(自身を除く): 3034786640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1940399, 3880798, 7761596, 9701995, 15523192, 19403990, 25225187, 31046384, 38807980, 50450374, 77615960, 100900748, 126125935, 155231920, 201801496, 252251870, 403602992, 504503740, 1009007480, 2018014960]

約数ペア:

[(1, 2018014960), (2, 1009007480), (4, 504503740), (5, 403602992), (8, 252251870), (10, 201801496), (13, 155231920), (16, 126125935), (20, 100900748), (26, 77615960), (40, 50450374), (52, 38807980), (65, 31046384), (80, 25225187), (104, 19403990), (130, 15523192), (208, 9701995), (260, 7761596), (520, 3880798), (1040, 1940399)]