80203040

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4089

約数の個数: 48

約数和(自身を含む): 191020032

約数和(自身を除く): 110816992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3947, 4064, 5080, 7894, 10160, 15788, 19735, 20320, 31576, 39470, 63152, 78940, 126304, 157880, 315760, 501269, 631520, 1002538, 2005076, 2506345, 4010152, 5012690, 8020304, 10025380, 16040608, 20050760, 40101520, 80203040]

約数ペア:

[(1, 80203040), (2, 40101520), (4, 20050760), (5, 16040608), (8, 10025380), (10, 8020304), (16, 5012690), (20, 4010152), (32, 2506345), (40, 2005076), (80, 1002538), (127, 631520), (160, 501269), (254, 315760), (508, 157880), (635, 126304), (1016, 78940), (1270, 63152), (2032, 39470), (2540, 31576), (3947, 20320), (4064, 19735), (5080, 15788), (7894, 10160)]