18158080

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 44856504

約数和(自身を除く): 26698424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 173, 205, 256, 320, 328, 346, 410, 512, 640, 656, 692, 820, 865, 1280, 1312, 1384, 1640, 1730, 2560, 2624, 2768, 3280, 3460, 5248, 5536, 6560, 6920, 7093, 10496, 11072, 13120, 13840, 14186, 20992, 22144, 26240, 27680, 28372, 35465, 44288, 52480, 55360, 56744, 70930, 88576, 104960, 110720, 113488, 141860, 221440, 226976, 283720, 442880, 453952, 567440, 907904, 1134880, 1815808, 2269760, 3631616, 4539520, 9079040, 18158080]

約数ペア:

[(1, 18158080), (2, 9079040), (4, 4539520), (5, 3631616), (8, 2269760), (10, 1815808), (16, 1134880), (20, 907904), (32, 567440), (40, 453952), (41, 442880), (64, 283720), (80, 226976), (82, 221440), (128, 141860), (160, 113488), (164, 110720), (173, 104960), (205, 88576), (256, 70930), (320, 56744), (328, 55360), (346, 52480), (410, 44288), (512, 35465), (640, 28372), (656, 27680), (692, 26240), (820, 22144), (865, 20992), (1280, 14186), (1312, 13840), (1384, 13120), (1640, 11072), (1730, 10496), (2560, 7093), (2624, 6920), (2768, 6560), (3280, 5536), (3460, 5248)]