208026320

素因数分解:

$2^4\times 5^1\times {\mathrm{2600329}}^1$

素因数の和:2600342

約数の個数: 20

約数和(自身を含む): 483661380

約数和(自身を除く): 275635060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600329, 5200658, 10401316, 13001645, 20802632, 26003290, 41605264, 52006580, 104013160, 208026320]

約数ペア:

[(1, 208026320), (2, 104013160), (4, 52006580), (5, 41605264), (8, 26003290), (10, 20802632), (16, 13001645), (20, 10401316), (40, 5200658), (80, 2600329)]