12657200

素因数分解:

$2^4\times 5^2\times {\mathrm{31643}}^1$

素因数の和:31661

約数の個数: 30

約数和(自身を含む): 30409884

約数和(自身を除く): 17752684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31643, 63286, 126572, 158215, 253144, 316430, 506288, 632860, 791075, 1265720, 1582150, 2531440, 3164300, 6328600, 12657200]

約数ペア:

[(1, 12657200), (2, 6328600), (4, 3164300), (5, 2531440), (8, 1582150), (10, 1265720), (16, 791075), (20, 632860), (25, 506288), (40, 316430), (50, 253144), (80, 158215), (100, 126572), (200, 63286), (400, 31643)]