2005331875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 2771112960

約数和(自身を除く): 765781085

約数列:

[1, 5, 25, 29, 31, 43, 83, 125, 145, 155, 215, 415, 625, 725, 775, 899, 1075, 1247, 1333, 2075, 2407, 2573, 3569, 3625, 3875, 4495, 5375, 6235, 6665, 10375, 12035, 12865, 17845, 18125, 19375, 22475, 26875, 31175, 33325, 38657, 51875, 60175, 64325, 74617, 89225, 103501, 110639, 112375, 155875, 166625, 193285, 300875, 321625, 373085, 446125, 517505, 553195, 561875, 779375, 833125, 966425, 1504375, 1608125, 1865425, 2230625, 2587525, 2765975, 3208531, 4832125, 9327125, 12937625, 13829875, 16042655, 24160625, 46635625, 64688125, 69149375, 80213275, 401066375, 2005331875]

約数ペア:

[(1, 2005331875), (5, 401066375), (25, 80213275), (29, 69149375), (31, 64688125), (43, 46635625), (83, 24160625), (125, 16042655), (145, 13829875), (155, 12937625), (215, 9327125), (415, 4832125), (625, 3208531), (725, 2765975), (775, 2587525), (899, 2230625), (1075, 1865425), (1247, 1608125), (1333, 1504375), (2075, 966425), (2407, 833125), (2573, 779375), (3569, 561875), (3625, 553195), (3875, 517505), (4495, 446125), (5375, 373085), (6235, 321625), (6665, 300875), (10375, 193285), (12035, 166625), (12865, 155875), (17845, 112375), (18125, 110639), (19375, 103501), (22475, 89225), (26875, 74617), (31175, 64325), (33325, 60175), (38657, 51875)]