12172400

素因数分解:

$2^4\times 5^2\times {\mathrm{30431}}^1$

素因数の和:30449

約数の個数: 30

約数和(自身を含む): 29245152

約数和(自身を除く): 17072752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30431, 60862, 121724, 152155, 243448, 304310, 486896, 608620, 760775, 1217240, 1521550, 2434480, 3043100, 6086200, 12172400]

約数ペア:

[(1, 12172400), (2, 6086200), (4, 3043100), (5, 2434480), (8, 1521550), (10, 1217240), (16, 760775), (20, 608620), (25, 486896), (40, 304310), (50, 243448), (80, 152155), (100, 121724), (200, 60862), (400, 30431)]