112721920

素因数分解:

$2^{19}\times 5^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 276823800

約数和(自身を除く): 164101880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1280, 1376, 1720, 2048, 2560, 2752, 3440, 4096, 5120, 5504, 6880, 8192, 10240, 11008, 13760, 16384, 20480, 22016, 27520, 32768, 40960, 44032, 55040, 65536, 81920, 88064, 110080, 131072, 163840, 176128, 220160, 262144, 327680, 352256, 440320, 524288, 655360, 704512, 880640, 1310720, 1409024, 1761280, 2621440, 2818048, 3522560, 5636096, 7045120, 11272192, 14090240, 22544384, 28180480, 56360960, 112721920]

約数ペア:

[(1, 112721920), (2, 56360960), (4, 28180480), (5, 22544384), (8, 14090240), (10, 11272192), (16, 7045120), (20, 5636096), (32, 3522560), (40, 2818048), (43, 2621440), (64, 1761280), (80, 1409024), (86, 1310720), (128, 880640), (160, 704512), (172, 655360), (215, 524288), (256, 440320), (320, 352256), (344, 327680), (430, 262144), (512, 220160), (640, 176128), (688, 163840), (860, 131072), (1024, 110080), (1280, 88064), (1376, 81920), (1720, 65536), (2048, 55040), (2560, 44032), (2752, 40960), (3440, 32768), (4096, 27520), (5120, 22016), (5504, 20480), (6880, 16384), (8192, 13760), (10240, 11008)]