408066320

素因数分解:

$2^4\times 5^1\times {\mathrm{5100829}}^1$

素因数の和:5100842

約数の個数: 20

約数和(自身を含む): 948754380

約数和(自身を除く): 540688060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5100829, 10201658, 20403316, 25504145, 40806632, 51008290, 81613264, 102016580, 204033160, 408066320]

約数ペア:

[(1, 408066320), (2, 204033160), (4, 102016580), (5, 81613264), (8, 51008290), (10, 40806632), (16, 25504145), (20, 20403316), (40, 10201658), (80, 5100829)]