8125040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1350

約数の個数: 80

約数和(自身を含む): 23569920

約数和(自身を除く): 15444880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1319, 1540, 2638, 3080, 5276, 6160, 6595, 9233, 10552, 13190, 14509, 18466, 21104, 26380, 29018, 36932, 46165, 52760, 58036, 72545, 73864, 92330, 101563, 105520, 116072, 145090, 147728, 184660, 203126, 232144, 290180, 369320, 406252, 507815, 580360, 738640, 812504, 1015630, 1160720, 1625008, 2031260, 4062520, 8125040]

約数ペア:

[(1, 8125040), (2, 4062520), (4, 2031260), (5, 1625008), (7, 1160720), (8, 1015630), (10, 812504), (11, 738640), (14, 580360), (16, 507815), (20, 406252), (22, 369320), (28, 290180), (35, 232144), (40, 203126), (44, 184660), (55, 147728), (56, 145090), (70, 116072), (77, 105520), (80, 101563), (88, 92330), (110, 73864), (112, 72545), (140, 58036), (154, 52760), (176, 46165), (220, 36932), (280, 29018), (308, 26380), (385, 21104), (440, 18466), (560, 14509), (616, 13190), (770, 10552), (880, 9233), (1232, 6595), (1319, 6160), (1540, 5276), (2638, 3080)]