20885282080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{79063}}^1$

素因数の和:79218

約数の個数: 96

約数和(自身を含む): 53556056064

約数和(自身を除く): 32670773984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 127, 130, 160, 208, 254, 260, 416, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2080, 2540, 3302, 4064, 5080, 6604, 8255, 10160, 13208, 16510, 20320, 26416, 33020, 52832, 66040, 79063, 132080, 158126, 264160, 316252, 395315, 632504, 790630, 1027819, 1265008, 1581260, 2055638, 2530016, 3162520, 4111276, 5139095, 6325040, 8222552, 10041001, 10278190, 12650080, 16445104, 20082002, 20556380, 32890208, 40164004, 41112760, 50205005, 80328008, 82225520, 100410010, 130533013, 160656016, 164451040, 200820020, 261066026, 321312032, 401640040, 522132052, 652665065, 803280080, 1044264104, 1305330130, 1606560160, 2088528208, 2610660260, 4177056416, 5221320520, 10442641040, 20885282080]

約数ペア:

[(1, 20885282080), (2, 10442641040), (4, 5221320520), (5, 4177056416), (8, 2610660260), (10, 2088528208), (13, 1606560160), (16, 1305330130), (20, 1044264104), (26, 803280080), (32, 652665065), (40, 522132052), (52, 401640040), (65, 321312032), (80, 261066026), (104, 200820020), (127, 164451040), (130, 160656016), (160, 130533013), (208, 100410010), (254, 82225520), (260, 80328008), (416, 50205005), (508, 41112760), (520, 40164004), (635, 32890208), (1016, 20556380), (1040, 20082002), (1270, 16445104), (1651, 12650080), (2032, 10278190), (2080, 10041001), (2540, 8222552), (3302, 6325040), (4064, 5139095), (5080, 4111276), (6604, 3162520), (8255, 2530016), (10160, 2055638), (13208, 1581260), (16510, 1265008), (20320, 1027819), (26416, 790630), (33020, 632504), (52832, 395315), (66040, 316252), (79063, 264160), (132080, 158126)]