3945040240

素因数分解:

$2^4\times 5^1\times {\mathrm{49313003}}^1$

素因数の和:49313016

約数の個数: 20

約数和(自身を含む): 9172218744

約数和(自身を除く): 5227178504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49313003, 98626006, 197252012, 246565015, 394504024, 493130030, 789008048, 986260060, 1972520120, 3945040240]

約数ペア:

[(1, 3945040240), (2, 1972520120), (4, 986260060), (5, 789008048), (8, 493130030), (10, 394504024), (16, 246565015), (20, 197252012), (40, 98626006), (80, 49313003)]