520000745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2591}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 705438720

約数和(自身を除く): 185437975

約数列:

[1, 5, 11, 41, 55, 89, 205, 445, 451, 979, 2255, 2591, 3649, 4895, 12955, 18245, 28501, 40139, 106231, 142505, 200695, 230599, 531155, 1152995, 1168541, 2536589, 5842705, 9454559, 12682945, 47272795, 104000149, 520000745]

約数ペア:

[(1, 520000745), (5, 104000149), (11, 47272795), (41, 12682945), (55, 9454559), (89, 5842705), (205, 2536589), (445, 1168541), (451, 1152995), (979, 531155), (2255, 230599), (2591, 200695), (3649, 142505), (4895, 106231), (12955, 40139), (18245, 28501)]