17777120

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 42357168

約数和(自身を除く): 24580048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 811, 1096, 1370, 1622, 2192, 2740, 3244, 4055, 4384, 5480, 6488, 8110, 10960, 12976, 16220, 21920, 25952, 32440, 64880, 111107, 129760, 222214, 444428, 555535, 888856, 1111070, 1777712, 2222140, 3555424, 4444280, 8888560, 17777120]

約数ペア:

[(1, 17777120), (2, 8888560), (4, 4444280), (5, 3555424), (8, 2222140), (10, 1777712), (16, 1111070), (20, 888856), (32, 555535), (40, 444428), (80, 222214), (137, 129760), (160, 111107), (274, 64880), (548, 32440), (685, 25952), (811, 21920), (1096, 16220), (1370, 12976), (1622, 10960), (2192, 8110), (2740, 6488), (3244, 5480), (4055, 4384)]