2018031320

素因数分解:

$2^3\times 5^1\times {\mathrm{50450783}}^1$

素因数の和:50450794

約数の個数: 16

約数和(自身を含む): 4540570560

約数和(自身を除く): 2522539240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50450783, 100901566, 201803132, 252253915, 403606264, 504507830, 1009015660, 2018031320]

約数ペア:

[(1, 2018031320), (2, 1009015660), (4, 504507830), (5, 403606264), (8, 252253915), (10, 201803132), (20, 100901566), (40, 50450783)]