89474120

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{2017}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 201598200

約数和(自身を除く): 112124080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2017, 2218, 4034, 4436, 5545, 8068, 8872, 10085, 11090, 16136, 20170, 22180, 40340, 44360, 80680, 2236853, 4473706, 8947412, 11184265, 17894824, 22368530, 44737060, 89474120]

約数ペア:

[(1, 89474120), (2, 44737060), (4, 22368530), (5, 17894824), (8, 11184265), (10, 8947412), (20, 4473706), (40, 2236853), (1109, 80680), (2017, 44360), (2218, 40340), (4034, 22180), (4436, 20170), (5545, 16136), (8068, 11090), (8872, 10085)]