1982480

素因数分解:

$2^4\times 5^1\times {\mathrm{24781}}^1$

素因数の和:24794

約数の個数: 20

約数和(自身を含む): 4609452

約数和(自身を除く): 2626972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24781, 49562, 99124, 123905, 198248, 247810, 396496, 495620, 991240, 1982480]

約数ペア:

[(1, 1982480), (2, 991240), (4, 495620), (5, 396496), (8, 247810), (10, 198248), (16, 123905), (20, 99124), (40, 49562), (80, 24781)]