18595354375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2318

約数の個数: 80

約数和(自身を含む): 26942775552

約数和(自身を除く): 8347421177

約数列:

[1, 5, 13, 17, 25, 61, 65, 85, 125, 221, 305, 325, 425, 625, 793, 1037, 1105, 1525, 1625, 2125, 2207, 3965, 5185, 5525, 7625, 8125, 10625, 11035, 13481, 19825, 25925, 27625, 28691, 37519, 38125, 55175, 67405, 99125, 129625, 134627, 138125, 143455, 187595, 275875, 337025, 487747, 495625, 648125, 673135, 717275, 937975, 1379375, 1685125, 1750151, 2288659, 2438735, 3365675, 3586375, 4689875, 8425625, 8750755, 11443295, 12193675, 16828375, 17931875, 23449375, 29752567, 43753775, 57216475, 60968375, 84141875, 148762835, 218768875, 286082375, 304841875, 743814175, 1093844375, 1430411875, 3719070875, 18595354375]

約数ペア:

[(1, 18595354375), (5, 3719070875), (13, 1430411875), (17, 1093844375), (25, 743814175), (61, 304841875), (65, 286082375), (85, 218768875), (125, 148762835), (221, 84141875), (305, 60968375), (325, 57216475), (425, 43753775), (625, 29752567), (793, 23449375), (1037, 17931875), (1105, 16828375), (1525, 12193675), (1625, 11443295), (2125, 8750755), (2207, 8425625), (3965, 4689875), (5185, 3586375), (5525, 3365675), (7625, 2438735), (8125, 2288659), (10625, 1750151), (11035, 1685125), (13481, 1379375), (19825, 937975), (25925, 717275), (27625, 673135), (28691, 648125), (37519, 495625), (38125, 487747), (55175, 337025), (67405, 275875), (99125, 187595), (129625, 143455), (134627, 138125)]