13515760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 32163120

約数和(自身を除く): 18647360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3929, 7858, 15716, 19645, 31432, 39290, 62864, 78580, 157160, 168947, 314320, 337894, 675788, 844735, 1351576, 1689470, 2703152, 3378940, 6757880, 13515760]

約数ペア:

[(1, 13515760), (2, 6757880), (4, 3378940), (5, 2703152), (8, 1689470), (10, 1351576), (16, 844735), (20, 675788), (40, 337894), (43, 314320), (80, 168947), (86, 157160), (172, 78580), (215, 62864), (344, 39290), (430, 31432), (688, 19645), (860, 15716), (1720, 7858), (3440, 3929)]