19701400

素因数分解:

$2^3\times 5^2\times {\mathrm{98507}}^1$

素因数の和:98523

約数の個数: 24

約数和(自身を含む): 45806220

約数和(自身を除く): 26104820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 98507, 197014, 394028, 492535, 788056, 985070, 1970140, 2462675, 3940280, 4925350, 9850700, 19701400]

約数ペア:

[(1, 19701400), (2, 9850700), (4, 4925350), (5, 3940280), (8, 2462675), (10, 1970140), (20, 985070), (25, 788056), (40, 492535), (50, 394028), (100, 197014), (200, 98507)]