28759040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 88

約数和(自身を含む): 71186472

約数和(自身を除く): 42427432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 137, 160, 164, 205, 256, 274, 320, 328, 410, 512, 548, 640, 656, 685, 820, 1024, 1096, 1280, 1312, 1370, 1640, 2192, 2560, 2624, 2740, 3280, 4384, 5120, 5248, 5480, 5617, 6560, 8768, 10496, 10960, 11234, 13120, 17536, 20992, 21920, 22468, 26240, 28085, 35072, 41984, 43840, 44936, 52480, 56170, 70144, 87680, 89872, 104960, 112340, 140288, 175360, 179744, 209920, 224680, 350720, 359488, 449360, 701440, 718976, 898720, 1437952, 1797440, 2875904, 3594880, 5751808, 7189760, 14379520, 28759040]

約数ペア:

[(1, 28759040), (2, 14379520), (4, 7189760), (5, 5751808), (8, 3594880), (10, 2875904), (16, 1797440), (20, 1437952), (32, 898720), (40, 718976), (41, 701440), (64, 449360), (80, 359488), (82, 350720), (128, 224680), (137, 209920), (160, 179744), (164, 175360), (205, 140288), (256, 112340), (274, 104960), (320, 89872), (328, 87680), (410, 70144), (512, 56170), (548, 52480), (640, 44936), (656, 43840), (685, 41984), (820, 35072), (1024, 28085), (1096, 26240), (1280, 22468), (1312, 21920), (1370, 20992), (1640, 17536), (2192, 13120), (2560, 11234), (2624, 10960), (2740, 10496), (3280, 8768), (4384, 6560), (5120, 5617), (5248, 5480)]