4398776320

素因数分解:

$2^{20}\times 5^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 84

約数和(自身を含む): 10569641040

約数和(自身を除く): 6170864720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 839, 1024, 1280, 1678, 2048, 2560, 3356, 4096, 4195, 5120, 6712, 8192, 8390, 10240, 13424, 16384, 16780, 20480, 26848, 32768, 33560, 40960, 53696, 65536, 67120, 81920, 107392, 131072, 134240, 163840, 214784, 262144, 268480, 327680, 429568, 524288, 536960, 655360, 859136, 1048576, 1073920, 1310720, 1718272, 2147840, 2621440, 3436544, 4295680, 5242880, 6873088, 8591360, 13746176, 17182720, 27492352, 34365440, 54984704, 68730880, 109969408, 137461760, 219938816, 274923520, 439877632, 549847040, 879755264, 1099694080, 2199388160, 4398776320]

約数ペア:

[(1, 4398776320), (2, 2199388160), (4, 1099694080), (5, 879755264), (8, 549847040), (10, 439877632), (16, 274923520), (20, 219938816), (32, 137461760), (40, 109969408), (64, 68730880), (80, 54984704), (128, 34365440), (160, 27492352), (256, 17182720), (320, 13746176), (512, 8591360), (640, 6873088), (839, 5242880), (1024, 4295680), (1280, 3436544), (1678, 2621440), (2048, 2147840), (2560, 1718272), (3356, 1310720), (4096, 1073920), (4195, 1048576), (5120, 859136), (6712, 655360), (8192, 536960), (8390, 524288), (10240, 429568), (13424, 327680), (16384, 268480), (16780, 262144), (20480, 214784), (26848, 163840), (32768, 134240), (33560, 131072), (40960, 107392), (53696, 81920), (65536, 67120)]