40865620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120193}}^1$

素因数の和:120219

約数の個数: 24

約数和(自身を含む): 90866664

約数和(自身を除く): 50001044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 120193, 240386, 480772, 600965, 1201930, 2043281, 2403860, 4086562, 8173124, 10216405, 20432810, 40865620]

約数ペア:

[(1, 40865620), (2, 20432810), (4, 10216405), (5, 8173124), (10, 4086562), (17, 2403860), (20, 2043281), (34, 1201930), (68, 600965), (85, 480772), (170, 240386), (340, 120193)]