225320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 522720

約数和(自身を除く): 297400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 344, 430, 524, 655, 860, 1048, 1310, 1720, 2620, 5240, 5633, 11266, 22532, 28165, 45064, 56330, 112660, 225320]

約数ペア:

[(1, 225320), (2, 112660), (4, 56330), (5, 45064), (8, 28165), (10, 22532), (20, 11266), (40, 5633), (43, 5240), (86, 2620), (131, 1720), (172, 1310), (215, 1048), (262, 860), (344, 655), (430, 524)]