16428080

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 38448432

約数和(自身を除く): 22020352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1187, 1384, 1730, 2374, 2768, 3460, 4748, 5935, 6920, 9496, 11870, 13840, 18992, 23740, 47480, 94960, 205351, 410702, 821404, 1026755, 1642808, 2053510, 3285616, 4107020, 8214040, 16428080]

約数ペア:

[(1, 16428080), (2, 8214040), (4, 4107020), (5, 3285616), (8, 2053510), (10, 1642808), (16, 1026755), (20, 821404), (40, 410702), (80, 205351), (173, 94960), (346, 47480), (692, 23740), (865, 18992), (1187, 13840), (1384, 11870), (1730, 9496), (2374, 6920), (2768, 5935), (3460, 4748)]