13888929640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{6337}}^1$

素因数の和:6854

約数の個数: 64

約数和(自身を含む): 31544226000

約数和(自身を除く): 17655296360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 349, 628, 698, 785, 1256, 1396, 1570, 1745, 2792, 3140, 3490, 6280, 6337, 6980, 12674, 13960, 25348, 31685, 50696, 54793, 63370, 109586, 126740, 219172, 253480, 273965, 438344, 547930, 994909, 1095860, 1989818, 2191720, 2211613, 3979636, 4423226, 4974545, 7959272, 8846452, 9949090, 11058065, 17692904, 19898180, 22116130, 39796360, 44232260, 88464520, 347223241, 694446482, 1388892964, 1736116205, 2777785928, 3472232410, 6944464820, 13888929640]

約数ペア:

[(1, 13888929640), (2, 6944464820), (4, 3472232410), (5, 2777785928), (8, 1736116205), (10, 1388892964), (20, 694446482), (40, 347223241), (157, 88464520), (314, 44232260), (349, 39796360), (628, 22116130), (698, 19898180), (785, 17692904), (1256, 11058065), (1396, 9949090), (1570, 8846452), (1745, 7959272), (2792, 4974545), (3140, 4423226), (3490, 3979636), (6280, 2211613), (6337, 2191720), (6980, 1989818), (12674, 1095860), (13960, 994909), (25348, 547930), (31685, 438344), (50696, 273965), (54793, 253480), (63370, 219172), (109586, 126740)]