8216260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31601}}^1$

素因数の和:31623

約数の個数: 24

約数和(自身を含む): 18581976

約数和(自身を除く): 10365716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31601, 63202, 126404, 158005, 316010, 410813, 632020, 821626, 1643252, 2054065, 4108130, 8216260]

約数ペア:

[(1, 8216260), (2, 4108130), (4, 2054065), (5, 1643252), (10, 821626), (13, 632020), (20, 410813), (26, 316010), (52, 158005), (65, 126404), (130, 63202), (260, 31601)]