4020010

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2409

約数の個数: 16

約数和(自身を含む): 7279272

約数和(自身を除く): 3259262

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 2221, 4442, 11105, 22210, 402001, 804002, 2010005, 4020010]

約数ペア:

[(1, 4020010), (2, 2010005), (5, 804002), (10, 402001), (181, 22210), (362, 11105), (905, 4442), (1810, 2221)]