86889520

素因数分解:

$2^4\times 5^1\times {\mathrm{1086119}}^1$

素因数の和:1086132

約数の個数: 20

約数和(自身を含む): 202018320

約数和(自身を除く): 115128800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1086119, 2172238, 4344476, 5430595, 8688952, 10861190, 17377904, 21722380, 43444760, 86889520]

約数ペア:

[(1, 86889520), (2, 43444760), (4, 21722380), (5, 17377904), (8, 10861190), (10, 8688952), (16, 5430595), (20, 4344476), (40, 2172238), (80, 1086119)]