89971240

素因数分解:

$2^3\times 5^1\times {\mathrm{2249281}}^1$

素因数の和:2249292

約数の個数: 16

約数和(自身を含む): 202435380

約数和(自身を除く): 112464140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2249281, 4498562, 8997124, 11246405, 17994248, 22492810, 44985620, 89971240]

約数ペア:

[(1, 89971240), (2, 44985620), (4, 22492810), (5, 17994248), (8, 11246405), (10, 8997124), (20, 4498562), (40, 2249281)]