4782020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 10105368

約数和(自身を除く): 5323348

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1321, 1810, 2642, 3620, 5284, 6605, 13210, 26420, 239101, 478202, 956404, 1195505, 2391010, 4782020]

約数ペア:

[(1, 4782020), (2, 2391010), (4, 1195505), (5, 956404), (10, 478202), (20, 239101), (181, 26420), (362, 13210), (724, 6605), (905, 5284), (1321, 3620), (1810, 2642)]