12883120

素因数分解:

$2^4\times 5^1\times {\mathrm{161039}}^1$

素因数の和:161052

約数の個数: 20

約数和(自身を含む): 29953440

約数和(自身を除く): 17070320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161039, 322078, 644156, 805195, 1288312, 1610390, 2576624, 3220780, 6441560, 12883120]

約数ペア:

[(1, 12883120), (2, 6441560), (4, 3220780), (5, 2576624), (8, 1610390), (10, 1288312), (16, 805195), (20, 644156), (40, 322078), (80, 161039)]