2018650160

素因数分解:

$2^4\times 5^1\times {\mathrm{25233127}}^1$

素因数の和:25233140

約数の個数: 20

約数和(自身を含む): 4693361808

約数和(自身を除く): 2674711648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25233127, 50466254, 100932508, 126165635, 201865016, 252331270, 403730032, 504662540, 1009325080, 2018650160]

約数ペア:

[(1, 2018650160), (2, 1009325080), (4, 504662540), (5, 403730032), (8, 252331270), (10, 201865016), (16, 126165635), (20, 100932508), (40, 50466254), (80, 25233127)]