3963640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 8981280

約数和(自身を除く): 5017640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 503, 788, 985, 1006, 1576, 1970, 2012, 2515, 3940, 4024, 5030, 7880, 10060, 20120, 99091, 198182, 396364, 495455, 792728, 990910, 1981820, 3963640]

約数ペア:

[(1, 3963640), (2, 1981820), (4, 990910), (5, 792728), (8, 495455), (10, 396364), (20, 198182), (40, 99091), (197, 20120), (394, 10060), (503, 7880), (788, 5030), (985, 4024), (1006, 3940), (1576, 2515), (1970, 2012)]