86679440

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1109}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 201917880

約数和(自身を除く): 115238440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1109, 1954, 2218, 3908, 4436, 4885, 5545, 7816, 8872, 9770, 11090, 15632, 17744, 19540, 22180, 39080, 44360, 78160, 88720, 1083493, 2166986, 4333972, 5417465, 8667944, 10834930, 17335888, 21669860, 43339720, 86679440]

約数ペア:

[(1, 86679440), (2, 43339720), (4, 21669860), (5, 17335888), (8, 10834930), (10, 8667944), (16, 5417465), (20, 4333972), (40, 2166986), (80, 1083493), (977, 88720), (1109, 78160), (1954, 44360), (2218, 39080), (3908, 22180), (4436, 19540), (4885, 17744), (5545, 15632), (7816, 11090), (8872, 9770)]