2385005320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1386631}}^1$

素因数の和:1386685

約数の個数: 32

約数和(自身を含む): 5491062720

約数和(自身を除く): 3106057400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1386631, 2773262, 5546524, 6933155, 11093048, 13866310, 27732620, 55465240, 59625133, 119250266, 238500532, 298125665, 477001064, 596251330, 1192502660, 2385005320]

約数ペア:

[(1, 2385005320), (2, 1192502660), (4, 596251330), (5, 477001064), (8, 298125665), (10, 238500532), (20, 119250266), (40, 59625133), (43, 55465240), (86, 27732620), (172, 13866310), (215, 11093048), (344, 6933155), (430, 5546524), (860, 2773262), (1720, 1386631)]