1771520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{173}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4275180

約数和(自身を除く): 2503660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 512, 640, 692, 865, 1024, 1280, 1384, 1730, 2048, 2560, 2768, 3460, 5120, 5536, 6920, 10240, 11072, 13840, 22144, 27680, 44288, 55360, 88576, 110720, 177152, 221440, 354304, 442880, 885760, 1771520]

約数ペア:

[(1, 1771520), (2, 885760), (4, 442880), (5, 354304), (8, 221440), (10, 177152), (16, 110720), (20, 88576), (32, 55360), (40, 44288), (64, 27680), (80, 22144), (128, 13840), (160, 11072), (173, 10240), (256, 6920), (320, 5536), (346, 5120), (512, 3460), (640, 2768), (692, 2560), (865, 2048), (1024, 1730), (1280, 1384)]