2690408020

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{174929}}^1$

素因数の和:175707

約数の個数: 24

約数和(自身を含む): 5657236200

約数和(自身を除く): 2966828180

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 15380, 174929, 349858, 699716, 874645, 1749290, 3498580, 134520401, 269040802, 538081604, 672602005, 1345204010, 2690408020]

約数ペア:

[(1, 2690408020), (2, 1345204010), (4, 672602005), (5, 538081604), (10, 269040802), (20, 134520401), (769, 3498580), (1538, 1749290), (3076, 874645), (3845, 699716), (7690, 349858), (15380, 174929)]