201563720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{219091}}^1$

素因数の和:219125

約数の個数: 32

約数和(自身を含む): 473238720

約数和(自身を除く): 271675000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 219091, 438182, 876364, 1095455, 1752728, 2190910, 4381820, 5039093, 8763640, 10078186, 20156372, 25195465, 40312744, 50390930, 100781860, 201563720]

約数ペア:

[(1, 201563720), (2, 100781860), (4, 50390930), (5, 40312744), (8, 25195465), (10, 20156372), (20, 10078186), (23, 8763640), (40, 5039093), (46, 4381820), (92, 2190910), (115, 1752728), (184, 1095455), (230, 876364), (460, 438182), (920, 219091)]