40640948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 80151120

約数和(自身を除く): 39510172

約数列:

[1, 2, 4, 17, 29, 34, 37, 58, 68, 74, 116, 148, 493, 557, 629, 986, 1073, 1114, 1258, 1972, 2146, 2228, 2516, 4292, 9469, 16153, 18241, 18938, 20609, 32306, 36482, 37876, 41218, 64612, 72964, 82436, 274601, 350353, 549202, 597661, 700706, 1098404, 1195322, 1401412, 2390644, 10160237, 20320474, 40640948]

約数ペア:

[(1, 40640948), (2, 20320474), (4, 10160237), (17, 2390644), (29, 1401412), (34, 1195322), (37, 1098404), (58, 700706), (68, 597661), (74, 549202), (116, 350353), (148, 274601), (493, 82436), (557, 72964), (629, 64612), (986, 41218), (1073, 37876), (1114, 36482), (1258, 32306), (1972, 20609), (2146, 18938), (2228, 18241), (2516, 16153), (4292, 9469)]