140247040

素因数分解:

$2^{18}\times 5^1\times {\mathrm{107}}^1$

素因数の和:148

約数の個数: 76

約数和(自身を含む): 339737976

約数和(自身を除く): 199490936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 512, 535, 640, 856, 1024, 1070, 1280, 1712, 2048, 2140, 2560, 3424, 4096, 4280, 5120, 6848, 8192, 8560, 10240, 13696, 16384, 17120, 20480, 27392, 32768, 34240, 40960, 54784, 65536, 68480, 81920, 109568, 131072, 136960, 163840, 219136, 262144, 273920, 327680, 438272, 547840, 655360, 876544, 1095680, 1310720, 1753088, 2191360, 3506176, 4382720, 7012352, 8765440, 14024704, 17530880, 28049408, 35061760, 70123520, 140247040]

約数ペア:

[(1, 140247040), (2, 70123520), (4, 35061760), (5, 28049408), (8, 17530880), (10, 14024704), (16, 8765440), (20, 7012352), (32, 4382720), (40, 3506176), (64, 2191360), (80, 1753088), (107, 1310720), (128, 1095680), (160, 876544), (214, 655360), (256, 547840), (320, 438272), (428, 327680), (512, 273920), (535, 262144), (640, 219136), (856, 163840), (1024, 136960), (1070, 131072), (1280, 109568), (1712, 81920), (2048, 68480), (2140, 65536), (2560, 54784), (3424, 40960), (4096, 34240), (4280, 32768), (5120, 27392), (6848, 20480), (8192, 17120), (8560, 16384), (10240, 13696)]