28296260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19381}}^1$

素因数の和:19463

約数の個数: 24

約数和(自身を含む): 60239256

約数和(自身を除く): 31942996

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19381, 38762, 77524, 96905, 193810, 387620, 1414813, 2829626, 5659252, 7074065, 14148130, 28296260]

約数ペア:

[(1, 28296260), (2, 14148130), (4, 7074065), (5, 5659252), (10, 2829626), (20, 1414813), (73, 387620), (146, 193810), (292, 96905), (365, 77524), (730, 38762), (1460, 19381)]