201902180

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15749}}^1$

素因数の和:16399

約数の個数: 24

約数和(自身を含む): 424683000

約数和(自身を除く): 222780820

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15749, 31498, 62996, 78745, 157490, 314980, 10095109, 20190218, 40380436, 50475545, 100951090, 201902180]

約数ペア:

[(1, 201902180), (2, 100951090), (4, 50475545), (5, 40380436), (10, 20190218), (20, 10095109), (641, 314980), (1282, 157490), (2564, 78745), (3205, 62996), (6410, 31498), (12820, 15749)]