199933040

素因数分解:

$2^4\times 5^1\times {\mathrm{2499163}}^1$

素因数の和:2499176

約数の個数: 20

約数和(自身を含む): 464844504

約数和(自身を除く): 264911464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2499163, 4998326, 9996652, 12495815, 19993304, 24991630, 39986608, 49983260, 99966520, 199933040]

約数ペア:

[(1, 199933040), (2, 99966520), (4, 49983260), (5, 39986608), (8, 24991630), (10, 19993304), (16, 12495815), (20, 9996652), (40, 4998326), (80, 2499163)]