28149580

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7369}}^1$

素因数の和:7569

約数の個数: 24

約数和(自身を含む): 59431680

約数和(自身を除く): 31282100

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7369, 14738, 29476, 36845, 73690, 147380, 1407479, 2814958, 5629916, 7037395, 14074790, 28149580]

約数ペア:

[(1, 28149580), (2, 14074790), (4, 7037395), (5, 5629916), (10, 2814958), (20, 1407479), (191, 147380), (382, 73690), (764, 36845), (955, 29476), (1910, 14738), (3820, 7369)]