27315320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15881}}^1$

素因数の和:15935

約数の個数: 32

約数和(自身を含む): 62892720

約数和(自身を除く): 35577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15881, 31762, 63524, 79405, 127048, 158810, 317620, 635240, 682883, 1365766, 2731532, 3414415, 5463064, 6828830, 13657660, 27315320]

約数ペア:

[(1, 27315320), (2, 13657660), (4, 6828830), (5, 5463064), (8, 3414415), (10, 2731532), (20, 1365766), (40, 682883), (43, 635240), (86, 317620), (172, 158810), (215, 127048), (344, 79405), (430, 63524), (860, 31762), (1720, 15881)]