90613840

素因数分解:

$2^4\times 5^1\times {\mathrm{1132673}}^1$

素因数の和:1132686

約数の個数: 20

約数和(自身を含む): 210677364

約数和(自身を除く): 120063524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1132673, 2265346, 4530692, 5663365, 9061384, 11326730, 18122768, 22653460, 45306920, 90613840]

約数ペア:

[(1, 90613840), (2, 45306920), (4, 22653460), (5, 18122768), (8, 11326730), (10, 9061384), (16, 5663365), (20, 4530692), (40, 2265346), (80, 1132673)]