66749440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13037}}^1$

素因数の和:13062

約数の個数: 44

約数和(自身を含む): 160132716

約数和(自身を除く): 93383276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 13037, 26074, 52148, 65185, 104296, 130370, 208592, 260740, 417184, 521480, 834368, 1042960, 1668736, 2085920, 3337472, 4171840, 6674944, 8343680, 13349888, 16687360, 33374720, 66749440]

約数ペア:

[(1, 66749440), (2, 33374720), (4, 16687360), (5, 13349888), (8, 8343680), (10, 6674944), (16, 4171840), (20, 3337472), (32, 2085920), (40, 1668736), (64, 1042960), (80, 834368), (128, 521480), (160, 417184), (256, 260740), (320, 208592), (512, 130370), (640, 104296), (1024, 65185), (1280, 52148), (2560, 26074), (5120, 13037)]