63639440

素因数分解:

$2^4\times 5^1\times {\mathrm{795493}}^1$

素因数の和:795506

約数の個数: 20

約数和(自身を含む): 147961884

約数和(自身を除く): 84322444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 795493, 1590986, 3181972, 3977465, 6363944, 7954930, 12727888, 15909860, 31819720, 63639440]

約数ペア:

[(1, 63639440), (2, 31819720), (4, 15909860), (5, 12727888), (8, 7954930), (10, 6363944), (16, 3977465), (20, 3181972), (40, 1590986), (80, 795493)]