13486520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7841}}^1$

素因数の和:7895

約数の個数: 32

約数和(自身を含む): 31054320

約数和(自身を除く): 17567800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7841, 15682, 31364, 39205, 62728, 78410, 156820, 313640, 337163, 674326, 1348652, 1685815, 2697304, 3371630, 6743260, 13486520]

約数ペア:

[(1, 13486520), (2, 6743260), (4, 3371630), (5, 2697304), (8, 1685815), (10, 1348652), (20, 674326), (40, 337163), (43, 313640), (86, 156820), (172, 78410), (215, 62728), (344, 39205), (430, 31364), (860, 15682), (1720, 7841)]