80826320

素因数分解:

$2^4\times 5^1\times {\mathrm{1010329}}^1$

素因数の和:1010342

約数の個数: 20

約数和(自身を含む): 187921380

約数和(自身を除く): 107095060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010329, 2020658, 4041316, 5051645, 8082632, 10103290, 16165264, 20206580, 40413160, 80826320]

約数ペア:

[(1, 80826320), (2, 40413160), (4, 20206580), (5, 16165264), (8, 10103290), (10, 8082632), (16, 5051645), (20, 4041316), (40, 2020658), (80, 1010329)]