201349520

素因数分解:

$2^4\times 5^1\times {\mathrm{2516869}}^1$

素因数の和:2516882

約数の個数: 20

約数和(自身を含む): 468137820

約数和(自身を除く): 266788300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2516869, 5033738, 10067476, 12584345, 20134952, 25168690, 40269904, 50337380, 100674760, 201349520]

約数ペア:

[(1, 201349520), (2, 100674760), (4, 50337380), (5, 40269904), (8, 25168690), (10, 20134952), (16, 12584345), (20, 10067476), (40, 5033738), (80, 2516869)]