12400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1$

素因数の和:49

約数の個数: 30

約数和(自身を含む): 30752

約数和(自身を除く): 18352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400]

約数ペア:

[(1, 12400), (2, 6200), (4, 3100), (5, 2480), (8, 1550), (10, 1240), (16, 775), (20, 620), (25, 496), (31, 400), (40, 310), (50, 248), (62, 200), (80, 155), (100, 124)]