39810160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 100931040

約数和(自身を除く): 61120880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 379, 404, 505, 520, 758, 808, 1010, 1040, 1313, 1516, 1616, 1895, 2020, 2626, 3032, 3790, 4040, 4927, 5252, 6064, 6565, 7580, 8080, 9854, 10504, 13130, 15160, 19708, 21008, 24635, 26260, 30320, 38279, 39416, 49270, 52520, 76558, 78832, 98540, 105040, 153116, 191395, 197080, 306232, 382790, 394160, 497627, 612464, 765580, 995254, 1531160, 1990508, 2488135, 3062320, 3981016, 4976270, 7962032, 9952540, 19905080, 39810160]

約数ペア:

[(1, 39810160), (2, 19905080), (4, 9952540), (5, 7962032), (8, 4976270), (10, 3981016), (13, 3062320), (16, 2488135), (20, 1990508), (26, 1531160), (40, 995254), (52, 765580), (65, 612464), (80, 497627), (101, 394160), (104, 382790), (130, 306232), (202, 197080), (208, 191395), (260, 153116), (379, 105040), (404, 98540), (505, 78832), (520, 76558), (758, 52520), (808, 49270), (1010, 39416), (1040, 38279), (1313, 30320), (1516, 26260), (1616, 24635), (1895, 21008), (2020, 19708), (2626, 15160), (3032, 13130), (3790, 10504), (4040, 9854), (4927, 8080), (5252, 7580), (6064, 6565)]