27706880

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 67763520

約数和(自身を除く): 40056640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 137, 158, 160, 256, 274, 316, 320, 395, 512, 548, 632, 640, 685, 790, 1096, 1264, 1280, 1370, 1580, 2192, 2528, 2560, 2740, 3160, 4384, 5056, 5480, 6320, 8768, 10112, 10823, 10960, 12640, 17536, 20224, 21646, 21920, 25280, 35072, 40448, 43292, 43840, 50560, 54115, 70144, 86584, 87680, 101120, 108230, 173168, 175360, 202240, 216460, 346336, 350720, 432920, 692672, 865840, 1385344, 1731680, 2770688, 3463360, 5541376, 6926720, 13853440, 27706880]

約数ペア:

[(1, 27706880), (2, 13853440), (4, 6926720), (5, 5541376), (8, 3463360), (10, 2770688), (16, 1731680), (20, 1385344), (32, 865840), (40, 692672), (64, 432920), (79, 350720), (80, 346336), (128, 216460), (137, 202240), (158, 175360), (160, 173168), (256, 108230), (274, 101120), (316, 87680), (320, 86584), (395, 70144), (512, 54115), (548, 50560), (632, 43840), (640, 43292), (685, 40448), (790, 35072), (1096, 25280), (1264, 21920), (1280, 21646), (1370, 20224), (1580, 17536), (2192, 12640), (2528, 10960), (2560, 10823), (2740, 10112), (3160, 8768), (4384, 6320), (5056, 5480)]