26939680

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 64161720

約数和(自身を除く): 37222040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1229, 1370, 2192, 2458, 2740, 4384, 4916, 5480, 6145, 9832, 10960, 12290, 19664, 21920, 24580, 39328, 49160, 98320, 168373, 196640, 336746, 673492, 841865, 1346984, 1683730, 2693968, 3367460, 5387936, 6734920, 13469840, 26939680]

約数ペア:

[(1, 26939680), (2, 13469840), (4, 6734920), (5, 5387936), (8, 3367460), (10, 2693968), (16, 1683730), (20, 1346984), (32, 841865), (40, 673492), (80, 336746), (137, 196640), (160, 168373), (274, 98320), (548, 49160), (685, 39328), (1096, 24580), (1229, 21920), (1370, 19664), (2192, 12290), (2458, 10960), (2740, 9832), (4384, 6145), (4916, 5480)]