80183888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 163680000

約数和(自身を除く): 83496112

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 872, 1744, 1999, 2507, 3998, 5014, 7996, 10028, 15992, 20056, 31984, 40112, 45977, 91954, 183908, 217891, 367816, 435782, 735632, 871564, 1743128, 3486256, 5011493, 10022986, 20045972, 40091944, 80183888]

約数ペア:

[(1, 80183888), (2, 40091944), (4, 20045972), (8, 10022986), (16, 5011493), (23, 3486256), (46, 1743128), (92, 871564), (109, 735632), (184, 435782), (218, 367816), (368, 217891), (436, 183908), (872, 91954), (1744, 45977), (1999, 40112), (2507, 31984), (3998, 20056), (5014, 15992), (7996, 10028)]