77888910625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2293}}^1$

素因数の和:2492

約数の個数: 80

約数和(自身を含む): 108356814720

約数和(自身を除く): 30467904095

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 139, 391, 425, 575, 625, 695, 1955, 2125, 2293, 2363, 2875, 3197, 3475, 9775, 10625, 11465, 11815, 14375, 15985, 17375, 38981, 48875, 52739, 54349, 57325, 59075, 79925, 86875, 194905, 244375, 263695, 271745, 286625, 295375, 318727, 399625, 896563, 974525, 1318475, 1358725, 1433125, 1476875, 1593635, 1998125, 4482815, 4872625, 5418359, 6592375, 6793625, 7330721, 7968175, 22414075, 24363125, 27091795, 32961875, 33968125, 36653605, 39840875, 112070375, 124622257, 135458975, 183268025, 199204375, 560351875, 623111285, 677294875, 916340125, 3115556425, 3386474375, 4581700625, 15577782125, 77888910625]

約数ペア:

[(1, 77888910625), (5, 15577782125), (17, 4581700625), (23, 3386474375), (25, 3115556425), (85, 916340125), (115, 677294875), (125, 623111285), (139, 560351875), (391, 199204375), (425, 183268025), (575, 135458975), (625, 124622257), (695, 112070375), (1955, 39840875), (2125, 36653605), (2293, 33968125), (2363, 32961875), (2875, 27091795), (3197, 24363125), (3475, 22414075), (9775, 7968175), (10625, 7330721), (11465, 6793625), (11815, 6592375), (14375, 5418359), (15985, 4872625), (17375, 4482815), (38981, 1998125), (48875, 1593635), (52739, 1476875), (54349, 1433125), (57325, 1358725), (59075, 1318475), (79925, 974525), (86875, 896563), (194905, 399625), (244375, 318727), (263695, 295375), (271745, 286625)]