842480

素因数分解:

$2^4\times 5^1\times {\mathrm{10531}}^1$

素因数の和:10544

約数の個数: 20

約数和(自身を含む): 1958952

約数和(自身を除く): 1116472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10531, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 421240, 842480]

約数ペア:

[(1, 842480), (2, 421240), (4, 210620), (5, 168496), (8, 105310), (10, 84248), (16, 52655), (20, 42124), (40, 21062), (80, 10531)]