87646480

素因数分解:

$2^4\times 5^1\times {\mathrm{1095581}}^1$

素因数の和:1095594

約数の個数: 20

約数和(自身を含む): 203778252

約数和(自身を除く): 116131772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095581, 2191162, 4382324, 5477905, 8764648, 10955810, 17529296, 21911620, 43823240, 87646480]

約数ペア:

[(1, 87646480), (2, 43823240), (4, 21911620), (5, 17529296), (8, 10955810), (10, 8764648), (16, 5477905), (20, 4382324), (40, 2191162), (80, 1095581)]