127944820

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{4483}}^1$

素因数の和:5919

約数の個数: 24

約数和(自身を含む): 268932384

約数和(自身を除く): 140987564

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2854, 4483, 5708, 7135, 8966, 14270, 17932, 22415, 28540, 44830, 89660, 6397241, 12794482, 25588964, 31986205, 63972410, 127944820]

約数ペア:

[(1, 127944820), (2, 63972410), (4, 31986205), (5, 25588964), (10, 12794482), (20, 6397241), (1427, 89660), (2854, 44830), (4483, 28540), (5708, 22415), (7135, 17932), (8966, 14270)]