6689080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 15404400

約数和(自身を除く): 8715320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3889, 7778, 15556, 19445, 31112, 38890, 77780, 155560, 167227, 334454, 668908, 836135, 1337816, 1672270, 3344540, 6689080]

約数ペア:

[(1, 6689080), (2, 3344540), (4, 1672270), (5, 1337816), (8, 836135), (10, 668908), (20, 334454), (40, 167227), (43, 155560), (86, 77780), (172, 38890), (215, 31112), (344, 19445), (430, 15556), (860, 7778), (1720, 3889)]