18420162040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65786293}}^1$

素因数の和:65786311

約数の個数: 32

約数和(自身を含む): 47366131680

約数和(自身を除く): 28945969640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65786293, 131572586, 263145172, 328931465, 460504051, 526290344, 657862930, 921008102, 1315725860, 1842016204, 2302520255, 2631451720, 3684032408, 4605040510, 9210081020, 18420162040]

約数ペア:

[(1, 18420162040), (2, 9210081020), (4, 4605040510), (5, 3684032408), (7, 2631451720), (8, 2302520255), (10, 1842016204), (14, 1315725860), (20, 921008102), (28, 657862930), (35, 526290344), (40, 460504051), (56, 328931465), (70, 263145172), (140, 131572586), (280, 65786293)]