4353320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 10026720

約数和(自身を除く): 5673400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2531, 5062, 10124, 12655, 20248, 25310, 50620, 101240, 108833, 217666, 435332, 544165, 870664, 1088330, 2176660, 4353320]

約数ペア:

[(1, 4353320), (2, 2176660), (4, 1088330), (5, 870664), (8, 544165), (10, 435332), (20, 217666), (40, 108833), (43, 101240), (86, 50620), (172, 25310), (215, 20248), (344, 12655), (430, 10124), (860, 5062), (1720, 2531)]