1270480

素因数分解:

$2^4\times 5^1\times {\mathrm{15881}}^1$

素因数の和:15894

約数の個数: 20

約数和(自身を含む): 2954052

約数和(自身を除く): 1683572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15881, 31762, 63524, 79405, 127048, 158810, 254096, 317620, 635240, 1270480]

約数ペア:

[(1, 1270480), (2, 635240), (4, 317620), (5, 254096), (8, 158810), (10, 127048), (16, 79405), (20, 63524), (40, 31762), (80, 15881)]