90816280

素因数分解:

$2^3\times 5^1\times {\mathrm{2270407}}^1$

素因数の和:2270418

約数の個数: 16

約数和(自身を含む): 204336720

約数和(自身を除く): 113520440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2270407, 4540814, 9081628, 11352035, 18163256, 22704070, 45408140, 90816280]

約数ペア:

[(1, 90816280), (2, 45408140), (4, 22704070), (5, 18163256), (8, 11352035), (10, 9081628), (20, 4540814), (40, 2270407)]