12557200

素因数分解:

$2^4\times 5^2\times {\mathrm{31393}}^1$

素因数の和:31411

約数の個数: 30

約数和(自身を含む): 30169634

約数和(自身を除く): 17612434

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31393, 62786, 125572, 156965, 251144, 313930, 502288, 627860, 784825, 1255720, 1569650, 2511440, 3139300, 6278600, 12557200]

約数ペア:

[(1, 12557200), (2, 6278600), (4, 3139300), (5, 2511440), (8, 1569650), (10, 1255720), (16, 784825), (20, 627860), (25, 502288), (40, 313930), (50, 251144), (80, 156965), (100, 125572), (200, 62786), (400, 31393)]