19740320

素因数分解:

$2^5\times 5^1\times {\mathrm{123377}}^1$

素因数の和:123392

約数の個数: 24

約数和(自身を含む): 46636884

約数和(自身を除く): 26896564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123377, 246754, 493508, 616885, 987016, 1233770, 1974032, 2467540, 3948064, 4935080, 9870160, 19740320]

約数ペア:

[(1, 19740320), (2, 9870160), (4, 4935080), (5, 3948064), (8, 2467540), (10, 1974032), (16, 1233770), (20, 987016), (32, 616885), (40, 493508), (80, 246754), (160, 123377)]