1421720

素因数分解:

$2^3\times 5^1\times {\mathrm{35543}}^1$

素因数の和:35554

約数の個数: 16

約数和(自身を含む): 3198960

約数和(自身を除く): 1777240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 35543, 71086, 142172, 177715, 284344, 355430, 710860, 1421720]

約数ペア:

[(1, 1421720), (2, 710860), (4, 355430), (5, 284344), (8, 177715), (10, 142172), (20, 71086), (40, 35543)]