12804558640

素因数分解:

$2^4\times 5^1\times {\mathrm{160056983}}^1$

素因数の和:160056996

約数の個数: 20

約数和(自身を含む): 29770599024

約数和(自身を除く): 16966040384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160056983, 320113966, 640227932, 800284915, 1280455864, 1600569830, 2560911728, 3201139660, 6402279320, 12804558640]

約数ペア:

[(1, 12804558640), (2, 6402279320), (4, 3201139660), (5, 2560911728), (8, 1600569830), (10, 1280455864), (16, 800284915), (20, 640227932), (40, 320113966), (80, 160056983)]