81077750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 174713760

約数和(自身を除く): 93636010

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 101, 125, 130, 169, 190, 202, 247, 250, 325, 338, 475, 494, 505, 650, 845, 950, 1010, 1235, 1313, 1625, 1690, 1919, 2375, 2470, 2525, 2626, 3211, 3250, 3838, 4225, 4750, 5050, 6175, 6422, 6565, 8450, 9595, 12350, 12625, 13130, 16055, 17069, 19190, 21125, 24947, 25250, 30875, 32110, 32825, 34138, 42250, 47975, 49894, 61750, 65650, 80275, 85345, 95950, 124735, 160550, 164125, 170690, 239875, 249470, 324311, 328250, 401375, 426725, 479750, 623675, 648622, 802750, 853450, 1247350, 1621555, 2133625, 3118375, 3243110, 4267250, 6236750, 8107775, 16215550, 40538875, 81077750]

約数ペア:

[(1, 81077750), (2, 40538875), (5, 16215550), (10, 8107775), (13, 6236750), (19, 4267250), (25, 3243110), (26, 3118375), (38, 2133625), (50, 1621555), (65, 1247350), (95, 853450), (101, 802750), (125, 648622), (130, 623675), (169, 479750), (190, 426725), (202, 401375), (247, 328250), (250, 324311), (325, 249470), (338, 239875), (475, 170690), (494, 164125), (505, 160550), (650, 124735), (845, 95950), (950, 85345), (1010, 80275), (1235, 65650), (1313, 61750), (1625, 49894), (1690, 47975), (1919, 42250), (2375, 34138), (2470, 32825), (2525, 32110), (2626, 30875), (3211, 25250), (3250, 24947), (3838, 21125), (4225, 19190), (4750, 17069), (5050, 16055), (6175, 13130), (6422, 12625), (6565, 12350), (8450, 9595)]