13469840

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1379

約数の個数: 40

約数和(自身を含む): 31571640

約数和(自身を除く): 18101800

約数列:

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

約数ペア:

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