12788080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9403}}^1$

素因数の和:9433

約数の個数: 40

約数和(自身を含む): 31484592

約数和(自身を除く): 18696512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9403, 18806, 37612, 47015, 75224, 94030, 150448, 159851, 188060, 319702, 376120, 639404, 752240, 799255, 1278808, 1598510, 2557616, 3197020, 6394040, 12788080]

約数ペア:

[(1, 12788080), (2, 6394040), (4, 3197020), (5, 2557616), (8, 1598510), (10, 1278808), (16, 799255), (17, 752240), (20, 639404), (34, 376120), (40, 319702), (68, 188060), (80, 159851), (85, 150448), (136, 94030), (170, 75224), (272, 47015), (340, 37612), (680, 18806), (1360, 9403)]