1900565140

素因数分解:

$2^2\times 5^1\times {\mathrm{95028257}}^1$

素因数の和:95028266

約数の個数: 12

約数和(自身を含む): 3991186836

約数和(自身を除く): 2090621696

約数列:

[1, 2, 4, 5, 10, 20, 95028257, 190056514, 380113028, 475141285, 950282570, 1900565140]

約数ペア:

[(1, 1900565140), (2, 950282570), (4, 475141285), (5, 380113028), (10, 190056514), (20, 95028257)]