8432240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{967}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 19805280

約数和(自身を除く): 11373040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 967, 1090, 1744, 1934, 2180, 3868, 4360, 4835, 7736, 8720, 9670, 15472, 19340, 38680, 77360, 105403, 210806, 421612, 527015, 843224, 1054030, 1686448, 2108060, 4216120, 8432240]

約数ペア:

[(1, 8432240), (2, 4216120), (4, 2108060), (5, 1686448), (8, 1054030), (10, 843224), (16, 527015), (20, 421612), (40, 210806), (80, 105403), (109, 77360), (218, 38680), (436, 19340), (545, 15472), (872, 9670), (967, 8720), (1090, 7736), (1744, 4835), (1934, 4360), (2180, 3868)]