87858130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{98717}}^1$

素因数の和:98813

約数の個数: 16

約数和(自身を含む): 159923160

約数和(自身を除く): 72065030

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 98717, 197434, 493585, 987170, 8785813, 17571626, 43929065, 87858130]

約数ペア:

[(1, 87858130), (2, 43929065), (5, 17571626), (10, 8785813), (89, 987170), (178, 493585), (445, 197434), (890, 98717)]