86885840

素因数分解:

$2^4\times 5^1\times {\mathrm{1086073}}^1$

素因数の和:1086086

約数の個数: 20

約数和(自身を含む): 202009764

約数和(自身を除く): 115123924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1086073, 2172146, 4344292, 5430365, 8688584, 10860730, 17377168, 21721460, 43442920, 86885840]

約数ペア:

[(1, 86885840), (2, 43442920), (4, 21721460), (5, 17377168), (8, 10860730), (10, 8688584), (16, 5430365), (20, 4344292), (40, 2172146), (80, 1086073)]