320292040

素因数分解:

$2^3\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{3529}}^1$

素因数の和:5809

約数の個数: 32

約数和(自身を含む): 721179000

約数和(自身を除く): 400886960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269, 3529, 4538, 7058, 9076, 11345, 14116, 17645, 18152, 22690, 28232, 35290, 45380, 70580, 90760, 141160, 8007301, 16014602, 32029204, 40036505, 64058408, 80073010, 160146020, 320292040]

約数ペア:

[(1, 320292040), (2, 160146020), (4, 80073010), (5, 64058408), (8, 40036505), (10, 32029204), (20, 16014602), (40, 8007301), (2269, 141160), (3529, 90760), (4538, 70580), (7058, 45380), (9076, 35290), (11345, 28232), (14116, 22690), (17645, 18152)]