80160730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19942

約数の個数: 32

約数和(自身を含む): 160409088

約数和(自身を除く): 80248358

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19891, 39782, 99455, 198910, 258583, 517166, 616621, 1233242, 1292915, 2585830, 3083105, 6166210, 8016073, 16032146, 40080365, 80160730]

約数ペア:

[(1, 80160730), (2, 40080365), (5, 16032146), (10, 8016073), (13, 6166210), (26, 3083105), (31, 2585830), (62, 1292915), (65, 1233242), (130, 616621), (155, 517166), (310, 258583), (403, 198910), (806, 99455), (2015, 39782), (4030, 19891)]