199940320

素因数分解:

$2^5\times 5^1\times {\mathrm{1249627}}^1$

素因数の和:1249642

約数の個数: 24

約数和(自身を含む): 472359384

約数和(自身を除く): 272419064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1249627, 2499254, 4998508, 6248135, 9997016, 12496270, 19994032, 24992540, 39988064, 49985080, 99970160, 199940320]

約数ペア:

[(1, 199940320), (2, 99970160), (4, 49985080), (5, 39988064), (8, 24992540), (10, 19994032), (16, 12496270), (20, 9997016), (32, 6248135), (40, 4998508), (80, 2499254), (160, 1249627)]