16397780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117127}}^1$

素因数の和:117143

約数の個数: 24

約数和(自身を含む): 39355008

約数和(自身を除く): 22957228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117127, 234254, 468508, 585635, 819889, 1171270, 1639778, 2342540, 3279556, 4099445, 8198890, 16397780]

約数ペア:

[(1, 16397780), (2, 8198890), (4, 4099445), (5, 3279556), (7, 2342540), (10, 1639778), (14, 1171270), (20, 819889), (28, 585635), (35, 468508), (70, 234254), (140, 117127)]