23806520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13841}}^1$

素因数の和:13895

約数の個数: 32

約数和(自身を含む): 54814320

約数和(自身を除く): 31007800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13841, 27682, 55364, 69205, 110728, 138410, 276820, 553640, 595163, 1190326, 2380652, 2975815, 4761304, 5951630, 11903260, 23806520]

約数ペア:

[(1, 23806520), (2, 11903260), (4, 5951630), (5, 4761304), (8, 2975815), (10, 2380652), (20, 1190326), (40, 595163), (43, 553640), (86, 276820), (172, 138410), (215, 110728), (344, 69205), (430, 55364), (860, 27682), (1720, 13841)]