205128020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6673}}^1$

素因数の和:6764

約数の個数: 48

約数和(自身を含む): 454098960

約数和(自身を除く): 248970940

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 1060, 1537, 3074, 6148, 6673, 7685, 13346, 15370, 26692, 30740, 33365, 66730, 133460, 193517, 353669, 387034, 707338, 774068, 967585, 1414676, 1768345, 1935170, 3536690, 3870340, 7073380, 10256401, 20512802, 41025604, 51282005, 102564010, 205128020]

約数ペア:

[(1, 205128020), (2, 102564010), (4, 51282005), (5, 41025604), (10, 20512802), (20, 10256401), (29, 7073380), (53, 3870340), (58, 3536690), (106, 1935170), (116, 1768345), (145, 1414676), (212, 967585), (265, 774068), (290, 707338), (530, 387034), (580, 353669), (1060, 193517), (1537, 133460), (3074, 66730), (6148, 33365), (6673, 30740), (7685, 26692), (13346, 15370)]