80408848

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 60

約数和(自身を含む): 170734608

約数和(自身を除く): 90325760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 169, 208, 227, 262, 338, 454, 524, 676, 908, 1048, 1352, 1703, 1816, 2096, 2704, 2951, 3406, 3632, 5902, 6812, 11804, 13624, 22139, 23608, 27248, 29737, 38363, 44278, 47216, 59474, 76726, 88556, 118948, 153452, 177112, 237896, 306904, 354224, 386581, 475792, 613808, 773162, 1546324, 3092648, 5025553, 6185296, 10051106, 20102212, 40204424, 80408848]

約数ペア:

[(1, 80408848), (2, 40204424), (4, 20102212), (8, 10051106), (13, 6185296), (16, 5025553), (26, 3092648), (52, 1546324), (104, 773162), (131, 613808), (169, 475792), (208, 386581), (227, 354224), (262, 306904), (338, 237896), (454, 177112), (524, 153452), (676, 118948), (908, 88556), (1048, 76726), (1352, 59474), (1703, 47216), (1816, 44278), (2096, 38363), (2704, 29737), (2951, 27248), (3406, 23608), (3632, 22139), (5902, 13624), (6812, 11804)]