12395800

素因数分解:

$2^3\times 5^2\times {\mathrm{61979}}^1$

素因数の和:61995

約数の個数: 24

約数和(自身を含む): 28820700

約数和(自身を除く): 16424900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 61979, 123958, 247916, 309895, 495832, 619790, 1239580, 1549475, 2479160, 3098950, 6197900, 12395800]

約数ペア:

[(1, 12395800), (2, 6197900), (4, 3098950), (5, 2479160), (8, 1549475), (10, 1239580), (20, 619790), (25, 495832), (40, 309895), (50, 247916), (100, 123958), (200, 61979)]