1022480

素因数分解:

$2^4\times 5^1\times {\mathrm{12781}}^1$

素因数の和:12794

約数の個数: 20

約数和(自身を含む): 2377452

約数和(自身を除く): 1354972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 511240, 1022480]

約数ペア:

[(1, 1022480), (2, 511240), (4, 255620), (5, 204496), (8, 127810), (10, 102248), (16, 63905), (20, 51124), (40, 25562), (80, 12781)]