20887955425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{65929}}^1$

素因数の和:66010

約数の個数: 48

約数和(自身を含む): 29431152000

約数和(自身を除く): 8543196575

約数列:

[1, 5, 19, 23, 25, 29, 95, 115, 145, 437, 475, 551, 575, 667, 725, 2185, 2755, 3335, 10925, 12673, 13775, 16675, 63365, 65929, 316825, 329645, 1252651, 1516367, 1648225, 1911941, 6263255, 7581835, 9559705, 28810973, 31316275, 36326879, 37909175, 43974643, 47798525, 144054865, 181634395, 219873215, 720274325, 835518217, 908171975, 1099366075, 4177591085, 20887955425]

約数ペア:

[(1, 20887955425), (5, 4177591085), (19, 1099366075), (23, 908171975), (25, 835518217), (29, 720274325), (95, 219873215), (115, 181634395), (145, 144054865), (437, 47798525), (475, 43974643), (551, 37909175), (575, 36326879), (667, 31316275), (725, 28810973), (2185, 9559705), (2755, 7581835), (3335, 6263255), (10925, 1911941), (12673, 1648225), (13775, 1516367), (16675, 1252651), (63365, 329645), (65929, 316825)]