2018014520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{127079}}^1$

素因数の和:127487

約数の個数: 32

約数和(自身を含む): 4552005600

約数和(自身を除く): 2533991080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 127079, 254158, 508316, 635395, 1016632, 1270790, 2541580, 5083160, 50450363, 100900726, 201801452, 252251815, 403602904, 504503630, 1009007260, 2018014520]

約数ペア:

[(1, 2018014520), (2, 1009007260), (4, 504503630), (5, 403602904), (8, 252251815), (10, 201801452), (20, 100900726), (40, 50450363), (397, 5083160), (794, 2541580), (1588, 1270790), (1985, 1016632), (3176, 635395), (3970, 508316), (7940, 254158), (15880, 127079)]