39602000

素因数分解:

$2^4\times 5^3\times {\mathrm{19801}}^1$

素因数の和:19824

約数の個数: 40

約数和(自身を含む): 95762472

約数和(自身を除く): 56160472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 19801, 39602, 79204, 99005, 158408, 198010, 316816, 396020, 495025, 792040, 990050, 1584080, 1980100, 2475125, 3960200, 4950250, 7920400, 9900500, 19801000, 39602000]

約数ペア:

[(1, 39602000), (2, 19801000), (4, 9900500), (5, 7920400), (8, 4950250), (10, 3960200), (16, 2475125), (20, 1980100), (25, 1584080), (40, 990050), (50, 792040), (80, 495025), (100, 396020), (125, 316816), (200, 198010), (250, 158408), (400, 99005), (500, 79204), (1000, 39602), (2000, 19801)]