53560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 131040

約数和(自身を除く): 77480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 2060, 2678, 4120, 5356, 6695, 10712, 13390, 26780, 53560]

約数ペア:

[(1, 53560), (2, 26780), (4, 13390), (5, 10712), (8, 6695), (10, 5356), (13, 4120), (20, 2678), (26, 2060), (40, 1339), (52, 1030), (65, 824), (103, 520), (104, 515), (130, 412), (206, 260)]