71314120

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7103}}^1$

素因数の和:7365

約数の個数: 32

約数和(自身を含む): 161118720

約数和(自身を除く): 89804600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 7103, 10040, 14206, 28412, 35515, 56824, 71030, 142060, 284120, 1782853, 3565706, 7131412, 8914265, 14262824, 17828530, 35657060, 71314120]

約数ペア:

[(1, 71314120), (2, 35657060), (4, 17828530), (5, 14262824), (8, 8914265), (10, 7131412), (20, 3565706), (40, 1782853), (251, 284120), (502, 142060), (1004, 71030), (1255, 56824), (2008, 35515), (2510, 28412), (5020, 14206), (7103, 10040)]