2780451620

素因数分解:

$2^2\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{60209}}^1$

素因数の和:62527

約数の個数: 24

約数和(自身を含む): 5841574200

約数和(自身を除く): 3061122580

約数列:

[1, 2, 4, 5, 10, 20, 2309, 4618, 9236, 11545, 23090, 46180, 60209, 120418, 240836, 301045, 602090, 1204180, 139022581, 278045162, 556090324, 695112905, 1390225810, 2780451620]

約数ペア:

[(1, 2780451620), (2, 1390225810), (4, 695112905), (5, 556090324), (10, 278045162), (20, 139022581), (2309, 1204180), (4618, 602090), (9236, 301045), (11545, 240836), (23090, 120418), (46180, 60209)]