164049920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{179}}^2$

素因数の和:383

約数の個数: 66

約数和(自身を含む): 395738322

約数和(自身を除く): 231688402

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 512, 640, 716, 895, 1024, 1280, 1432, 1790, 2560, 2864, 3580, 5120, 5728, 7160, 11456, 14320, 22912, 28640, 32041, 45824, 57280, 64082, 91648, 114560, 128164, 160205, 183296, 229120, 256328, 320410, 458240, 512656, 640820, 916480, 1025312, 1281640, 2050624, 2563280, 4101248, 5126560, 8202496, 10253120, 16404992, 20506240, 32809984, 41012480, 82024960, 164049920]

約数ペア:

[(1, 164049920), (2, 82024960), (4, 41012480), (5, 32809984), (8, 20506240), (10, 16404992), (16, 10253120), (20, 8202496), (32, 5126560), (40, 4101248), (64, 2563280), (80, 2050624), (128, 1281640), (160, 1025312), (179, 916480), (256, 640820), (320, 512656), (358, 458240), (512, 320410), (640, 256328), (716, 229120), (895, 183296), (1024, 160205), (1280, 128164), (1432, 114560), (1790, 91648), (2560, 64082), (2864, 57280), (3580, 45824), (5120, 32041), (5728, 28640), (7160, 22912), (11456, 14320)]