20181572960

素因数分解:

$2^5\times 5^1\times {\mathrm{126134831}}^1$

素因数の和:126134846

約数の個数: 24

約数和(自身を含む): 47678966496

約数和(自身を除く): 27497393536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126134831, 252269662, 504539324, 630674155, 1009078648, 1261348310, 2018157296, 2522696620, 4036314592, 5045393240, 10090786480, 20181572960]

約数ペア:

[(1, 20181572960), (2, 10090786480), (4, 5045393240), (5, 4036314592), (8, 2522696620), (10, 2018157296), (16, 1261348310), (20, 1009078648), (32, 630674155), (40, 504539324), (80, 252269662), (160, 126134831)]