2019906520

素因数分解:

$2^3\times 5^1\times {\mathrm{50497663}}^1$

素因数の和:50497674

約数の個数: 16

約数和(自身を含む): 4544789760

約数和(自身を除く): 2524883240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50497663, 100995326, 201990652, 252488315, 403981304, 504976630, 1009953260, 2019906520]

約数ペア:

[(1, 2019906520), (2, 1009953260), (4, 504976630), (5, 403981304), (8, 252488315), (10, 201990652), (20, 100995326), (40, 50497663)]