8102480

素因数分解:

$2^4\times 5^1\times {\mathrm{101281}}^1$

素因数の和:101294

約数の個数: 20

約数和(自身を含む): 18838452

約数和(自身を除く): 10735972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101281, 202562, 405124, 506405, 810248, 1012810, 1620496, 2025620, 4051240, 8102480]

約数ペア:

[(1, 8102480), (2, 4051240), (4, 2025620), (5, 1620496), (8, 1012810), (10, 810248), (16, 506405), (20, 405124), (40, 202562), (80, 101281)]