2428640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 5887728

約数和(自身を除く): 3459088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 353, 430, 688, 706, 860, 1376, 1412, 1720, 1765, 2824, 3440, 3530, 5648, 6880, 7060, 11296, 14120, 15179, 28240, 30358, 56480, 60716, 75895, 121432, 151790, 242864, 303580, 485728, 607160, 1214320, 2428640]

約数ペア:

[(1, 2428640), (2, 1214320), (4, 607160), (5, 485728), (8, 303580), (10, 242864), (16, 151790), (20, 121432), (32, 75895), (40, 60716), (43, 56480), (80, 30358), (86, 28240), (160, 15179), (172, 14120), (215, 11296), (344, 7060), (353, 6880), (430, 5648), (688, 3530), (706, 3440), (860, 2824), (1376, 1765), (1412, 1720)]