11927780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6701}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 25333560

約数和(自身を除く): 13405780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6701, 13402, 26804, 33505, 67010, 134020, 596389, 1192778, 2385556, 2981945, 5963890, 11927780]

約数ペア:

[(1, 11927780), (2, 5963890), (4, 2981945), (5, 2385556), (10, 1192778), (20, 596389), (89, 134020), (178, 67010), (356, 33505), (445, 26804), (890, 13402), (1780, 6701)]