74668640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10853}}^1$

素因数の和:10911

約数の個数: 48

約数和(自身を含む): 180523728

約数和(自身を除く): 105855088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 10853, 21706, 43412, 54265, 86824, 108530, 173648, 217060, 347296, 434120, 466679, 868240, 933358, 1736480, 1866716, 2333395, 3733432, 4666790, 7466864, 9333580, 14933728, 18667160, 37334320, 74668640]

約数ペア:

[(1, 74668640), (2, 37334320), (4, 18667160), (5, 14933728), (8, 9333580), (10, 7466864), (16, 4666790), (20, 3733432), (32, 2333395), (40, 1866716), (43, 1736480), (80, 933358), (86, 868240), (160, 466679), (172, 434120), (215, 347296), (344, 217060), (430, 173648), (688, 108530), (860, 86824), (1376, 54265), (1720, 43412), (3440, 21706), (6880, 10853)]