2650980625

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 3632587200

約数和(自身を除く): 981606575

約数列:

[1, 5, 25, 29, 37, 59, 67, 125, 145, 185, 295, 335, 625, 725, 925, 1073, 1475, 1675, 1711, 1943, 2183, 2479, 3625, 3953, 4625, 5365, 7375, 8375, 8555, 9715, 10915, 12395, 18125, 19765, 23125, 26825, 36875, 41875, 42775, 48575, 54575, 61975, 63307, 71891, 98825, 114637, 134125, 146261, 213875, 242875, 272875, 309875, 316535, 359455, 494125, 573185, 670625, 731305, 1069375, 1214375, 1364375, 1549375, 1582675, 1797275, 2470625, 2865925, 3656525, 4241569, 7913375, 8986375, 14329625, 18282625, 21207845, 39566875, 44931875, 71648125, 91413125, 106039225, 530196125, 2650980625]

約数ペア:

[(1, 2650980625), (5, 530196125), (25, 106039225), (29, 91413125), (37, 71648125), (59, 44931875), (67, 39566875), (125, 21207845), (145, 18282625), (185, 14329625), (295, 8986375), (335, 7913375), (625, 4241569), (725, 3656525), (925, 2865925), (1073, 2470625), (1475, 1797275), (1675, 1582675), (1711, 1549375), (1943, 1364375), (2183, 1214375), (2479, 1069375), (3625, 731305), (3953, 670625), (4625, 573185), (5365, 494125), (7375, 359455), (8375, 316535), (8555, 309875), (9715, 272875), (10915, 242875), (12395, 213875), (18125, 146261), (19765, 134125), (23125, 114637), (26825, 98825), (36875, 71891), (41875, 63307), (42775, 61975), (48575, 54575)]