27155000

素因数分解:

$2^3\times 5^4\times {\mathrm{5431}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 63635880

約数和(自身を除く): 36480880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5431, 10862, 21724, 27155, 43448, 54310, 108620, 135775, 217240, 271550, 543100, 678875, 1086200, 1357750, 2715500, 3394375, 5431000, 6788750, 13577500, 27155000]

約数ペア:

[(1, 27155000), (2, 13577500), (4, 6788750), (5, 5431000), (8, 3394375), (10, 2715500), (20, 1357750), (25, 1086200), (40, 678875), (50, 543100), (100, 271550), (125, 217240), (200, 135775), (250, 108620), (500, 54310), (625, 43448), (1000, 27155), (1250, 21724), (2500, 10862), (5000, 5431)]