80920796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 77415844

約数列:

[1, 2, 4, 11, 22, 44, 101, 131, 139, 202, 262, 278, 404, 524, 556, 1111, 1441, 1529, 2222, 2882, 3058, 4444, 5764, 6116, 13231, 14039, 18209, 26462, 28078, 36418, 52924, 56156, 72836, 145541, 154429, 200299, 291082, 308858, 400598, 582164, 617716, 801196, 1839109, 3678218, 7356436, 20230199, 40460398, 80920796]

約数ペア:

[(1, 80920796), (2, 40460398), (4, 20230199), (11, 7356436), (22, 3678218), (44, 1839109), (101, 801196), (131, 617716), (139, 582164), (202, 400598), (262, 308858), (278, 291082), (404, 200299), (524, 154429), (556, 145541), (1111, 72836), (1441, 56156), (1529, 52924), (2222, 36418), (2882, 28078), (3058, 26462), (4444, 18209), (5764, 14039), (6116, 13231)]