42502480

素因数分解:

$2^4\times 5^1\times {\mathrm{531281}}^1$

素因数の和:531294

約数の個数: 20

約数和(自身を含む): 98818452

約数和(自身を除く): 56315972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531281, 1062562, 2125124, 2656405, 4250248, 5312810, 8500496, 10625620, 21251240, 42502480]

約数ペア:

[(1, 42502480), (2, 21251240), (4, 10625620), (5, 8500496), (8, 5312810), (10, 4250248), (16, 2656405), (20, 2125124), (40, 1062562), (80, 531281)]