1551280

素因数分解:

$2^4\times 5^1\times {\mathrm{19391}}^1$

素因数の和:19404

約数の個数: 20

約数和(自身を含む): 3606912

約数和(自身を除く): 2055632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19391, 38782, 77564, 96955, 155128, 193910, 310256, 387820, 775640, 1551280]

約数ペア:

[(1, 1551280), (2, 775640), (4, 387820), (5, 310256), (8, 193910), (10, 155128), (16, 96955), (20, 77564), (40, 38782), (80, 19391)]