64690190

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{20407}}^1$

素因数の和:20731

約数の個数: 16

約数和(自身を含む): 116815392

約数和(自身を除く): 52125202

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 20407, 40814, 102035, 204070, 6469019, 12938038, 32345095, 64690190]

約数ペア:

[(1, 64690190), (2, 32345095), (5, 12938038), (10, 6469019), (317, 204070), (634, 102035), (1585, 40814), (3170, 20407)]