86542480

素因数分解:

$2^4\times 5^1\times {\mathrm{1081781}}^1$

素因数の和:1081794

約数の個数: 20

約数和(自身を含む): 201211452

約数和(自身を除く): 114668972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1081781, 2163562, 4327124, 5408905, 8654248, 10817810, 17308496, 21635620, 43271240, 86542480]

約数ペア:

[(1, 86542480), (2, 43271240), (4, 21635620), (5, 17308496), (8, 10817810), (10, 8654248), (16, 5408905), (20, 4327124), (40, 2163562), (80, 1081781)]