28305186186125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{6806381}}^1$

素因数の和:6806535

約数の個数: 64

約数和(自身を含む): 39753626964480

約数和(自身を除く): 11448440778355

約数列:

[1, 5, 17, 19, 25, 85, 95, 103, 125, 323, 425, 475, 515, 1615, 1751, 1957, 2125, 2375, 2575, 8075, 8755, 9785, 12875, 33269, 40375, 43775, 48925, 166345, 218875, 244625, 831725, 4158625, 6806381, 34031905, 115708477, 129321239, 170159525, 578542385, 646606195, 701057243, 850797625, 2198461063, 2892711925, 3233030975, 3505286215, 10992305315, 11917973131, 13320087617, 14463559625, 16165154875, 17526431075, 54961526575, 59589865655, 66600438085, 87632155375, 226441489489, 274807632875, 297949328275, 333002190425, 1132207447445, 1489746641375, 1665010952125, 5661037237225, 28305186186125]

約数ペア:

[(1, 28305186186125), (5, 5661037237225), (17, 1665010952125), (19, 1489746641375), (25, 1132207447445), (85, 333002190425), (95, 297949328275), (103, 274807632875), (125, 226441489489), (323, 87632155375), (425, 66600438085), (475, 59589865655), (515, 54961526575), (1615, 17526431075), (1751, 16165154875), (1957, 14463559625), (2125, 13320087617), (2375, 11917973131), (2575, 10992305315), (8075, 3505286215), (8755, 3233030975), (9785, 2892711925), (12875, 2198461063), (33269, 850797625), (40375, 701057243), (43775, 646606195), (48925, 578542385), (166345, 170159525), (218875, 129321239), (244625, 115708477), (831725, 34031905), (4158625, 6806381)]