189997040

素因数分解:

$2^4\times 5^1\times {\mathrm{2374963}}^1$

素因数の和:2374976

約数の個数: 20

約数和(自身を含む): 441743304

約数和(自身を除く): 251746264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2374963, 4749926, 9499852, 11874815, 18999704, 23749630, 37999408, 47499260, 94998520, 189997040]

約数ペア:

[(1, 189997040), (2, 94998520), (4, 47499260), (5, 37999408), (8, 23749630), (10, 18999704), (16, 11874815), (20, 9499852), (40, 4749926), (80, 2374963)]