42468820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26879}}^1$

素因数の和:26967

約数の個数: 24

約数和(自身を含む): 90316800

約数和(自身を除く): 47847980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26879, 53758, 107516, 134395, 268790, 537580, 2123441, 4246882, 8493764, 10617205, 21234410, 42468820]

約数ペア:

[(1, 42468820), (2, 21234410), (4, 10617205), (5, 8493764), (10, 4246882), (20, 2123441), (79, 537580), (158, 268790), (316, 134395), (395, 107516), (790, 53758), (1580, 26879)]