12195640

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 27540000

約数和(自身を除く): 15344360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 599, 1018, 1198, 2036, 2396, 2545, 2995, 4072, 4792, 5090, 5990, 10180, 11980, 20360, 23960, 304891, 609782, 1219564, 1524455, 2439128, 3048910, 6097820, 12195640]

約数ペア:

[(1, 12195640), (2, 6097820), (4, 3048910), (5, 2439128), (8, 1524455), (10, 1219564), (20, 609782), (40, 304891), (509, 23960), (599, 20360), (1018, 11980), (1198, 10180), (2036, 5990), (2396, 5090), (2545, 4792), (2995, 4072)]