11522780

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1009}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 24264240

約数和(自身を除く): 12741460

約数列:

[1, 2, 4, 5, 10, 20, 571, 1009, 1142, 2018, 2284, 2855, 4036, 5045, 5710, 10090, 11420, 20180, 576139, 1152278, 2304556, 2880695, 5761390, 11522780]

約数ペア:

[(1, 11522780), (2, 5761390), (4, 2880695), (5, 2304556), (10, 1152278), (20, 576139), (571, 20180), (1009, 11420), (1142, 10090), (2018, 5710), (2284, 5045), (2855, 4036)]