1025778890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1444759}}^1$

素因数の和:1444837

約数の個数: 16

約数和(自身を含む): 1872408960

約数和(自身を除く): 846630070

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1444759, 2889518, 7223795, 14447590, 102577889, 205155778, 512889445, 1025778890]

約数ペア:

[(1, 1025778890), (2, 512889445), (5, 205155778), (10, 102577889), (71, 14447590), (142, 7223795), (355, 2889518), (710, 1444759)]