8214040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 18604080

約数和(自身を除く): 10390040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1187, 1384, 1730, 2374, 3460, 4748, 5935, 6920, 9496, 11870, 23740, 47480, 205351, 410702, 821404, 1026755, 1642808, 2053510, 4107020, 8214040]

約数ペア:

[(1, 8214040), (2, 4107020), (4, 2053510), (5, 1642808), (8, 1026755), (10, 821404), (20, 410702), (40, 205351), (173, 47480), (346, 23740), (692, 11870), (865, 9496), (1187, 6920), (1384, 5935), (1730, 4748), (2374, 3460)]