80405988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30319}}^1$

素因数の和:30356

約数の個数: 48

約数和(自身を含む): 213937920

約数和(自身を除く): 133531932

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 30319, 60638, 90957, 121276, 181914, 363828, 394147, 515423, 788294, 1030846, 1182441, 1546269, 1576588, 2061692, 2364882, 3092538, 4729764, 6185076, 6700499, 13400998, 20101497, 26801996, 40202994, 80405988]

約数ペア:

[(1, 80405988), (2, 40202994), (3, 26801996), (4, 20101497), (6, 13400998), (12, 6700499), (13, 6185076), (17, 4729764), (26, 3092538), (34, 2364882), (39, 2061692), (51, 1576588), (52, 1546269), (68, 1182441), (78, 1030846), (102, 788294), (156, 515423), (204, 394147), (221, 363828), (442, 181914), (663, 121276), (884, 90957), (1326, 60638), (2652, 30319)]