12158920

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{677}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 27459000

約数和(自身を除く): 15300080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 677, 898, 1354, 1796, 2245, 2708, 3385, 3592, 4490, 5416, 6770, 8980, 13540, 17960, 27080, 303973, 607946, 1215892, 1519865, 2431784, 3039730, 6079460, 12158920]

約数ペア:

[(1, 12158920), (2, 6079460), (4, 3039730), (5, 2431784), (8, 1519865), (10, 1215892), (20, 607946), (40, 303973), (449, 27080), (677, 17960), (898, 13540), (1354, 8980), (1796, 6770), (2245, 5416), (2708, 4490), (3385, 3592)]