25853320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15031}}^1$

素因数の和:15085

約数の個数: 32

約数和(自身を含む): 59526720

約数和(自身を除く): 33673400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15031, 30062, 60124, 75155, 120248, 150310, 300620, 601240, 646333, 1292666, 2585332, 3231665, 5170664, 6463330, 12926660, 25853320]

約数ペア:

[(1, 25853320), (2, 12926660), (4, 6463330), (5, 5170664), (8, 3231665), (10, 2585332), (20, 1292666), (40, 646333), (43, 601240), (86, 300620), (172, 150310), (215, 120248), (344, 75155), (430, 60124), (860, 30062), (1720, 15031)]