203729920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{39791}}^1$

素因数の和:39816

約数の個数: 44

約数和(自身を含む): 488725344

約数和(自身を除く): 284995424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 39791, 79582, 159164, 198955, 318328, 397910, 636656, 795820, 1273312, 1591640, 2546624, 3183280, 5093248, 6366560, 10186496, 12733120, 20372992, 25466240, 40745984, 50932480, 101864960, 203729920]

約数ペア:

[(1, 203729920), (2, 101864960), (4, 50932480), (5, 40745984), (8, 25466240), (10, 20372992), (16, 12733120), (20, 10186496), (32, 6366560), (40, 5093248), (64, 3183280), (80, 2546624), (128, 1591640), (160, 1273312), (256, 795820), (320, 636656), (512, 397910), (640, 318328), (1024, 198955), (1280, 159164), (2560, 79582), (5120, 39791)]