13269320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 30024000

約数和(自身を除く): 16754680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1667, 1990, 3334, 3980, 6668, 7960, 8335, 13336, 16670, 33340, 66680, 331733, 663466, 1326932, 1658665, 2653864, 3317330, 6634660, 13269320]

約数ペア:

[(1, 13269320), (2, 6634660), (4, 3317330), (5, 2653864), (8, 1658665), (10, 1326932), (20, 663466), (40, 331733), (199, 66680), (398, 33340), (796, 16670), (995, 13336), (1592, 8335), (1667, 7960), (1990, 6668), (3334, 3980)]