191380040

素因数分解:

$2^3\times 5^1\times {\mathrm{4784501}}^1$

素因数の和:4784512

約数の個数: 16

約数和(自身を含む): 430605180

約数和(自身を除く): 239225140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4784501, 9569002, 19138004, 23922505, 38276008, 47845010, 95690020, 191380040]

約数ペア:

[(1, 191380040), (2, 95690020), (4, 47845010), (5, 38276008), (8, 23922505), (10, 19138004), (20, 9569002), (40, 4784501)]