89235760

素因数分解:

$2^4\times 5^1\times {\mathrm{1115447}}^1$

素因数の和:1115460

約数の個数: 20

約数和(自身を含む): 207473328

約数和(自身を除く): 118237568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115447, 2230894, 4461788, 5577235, 8923576, 11154470, 17847152, 22308940, 44617880, 89235760]

約数ペア:

[(1, 89235760), (2, 44617880), (4, 22308940), (5, 17847152), (8, 11154470), (10, 8923576), (16, 5577235), (20, 4461788), (40, 2230894), (80, 1115447)]