88420040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51407}}^1$

素因数の和:51461

約数の個数: 32

約数和(自身を含む): 203575680

約数和(自身を除く): 115155640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51407, 102814, 205628, 257035, 411256, 514070, 1028140, 2056280, 2210501, 4421002, 8842004, 11052505, 17684008, 22105010, 44210020, 88420040]

約数ペア:

[(1, 88420040), (2, 44210020), (4, 22105010), (5, 17684008), (8, 11052505), (10, 8842004), (20, 4421002), (40, 2210501), (43, 2056280), (86, 1028140), (172, 514070), (215, 411256), (344, 257035), (430, 205628), (860, 102814), (1720, 51407)]