80190040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286393}}^1$

素因数の和:286411

約数の個数: 32

約数和(自身を含む): 206203680

約数和(自身を除く): 126013640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286393, 572786, 1145572, 1431965, 2004751, 2291144, 2863930, 4009502, 5727860, 8019004, 10023755, 11455720, 16038008, 20047510, 40095020, 80190040]

約数ペア:

[(1, 80190040), (2, 40095020), (4, 20047510), (5, 16038008), (7, 11455720), (8, 10023755), (10, 8019004), (14, 5727860), (20, 4009502), (28, 2863930), (35, 2291144), (40, 2004751), (56, 1431965), (70, 1145572), (140, 572786), (280, 286393)]