164548820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{64783}}^1$

素因数の和:64919

約数の個数: 24

約数和(自身を含む): 348278784

約数和(自身を除く): 183729964

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 64783, 129566, 259132, 323915, 647830, 1295660, 8227441, 16454882, 32909764, 41137205, 82274410, 164548820]

約数ペア:

[(1, 164548820), (2, 82274410), (4, 41137205), (5, 32909764), (10, 16454882), (20, 8227441), (127, 1295660), (254, 647830), (508, 323915), (635, 259132), (1270, 129566), (2540, 64783)]