3942280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 9008640

約数和(自身を除く): 5066360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1471, 2680, 2942, 5884, 7355, 11768, 14710, 29420, 58840, 98557, 197114, 394228, 492785, 788456, 985570, 1971140, 3942280]

約数ペア:

[(1, 3942280), (2, 1971140), (4, 985570), (5, 788456), (8, 492785), (10, 394228), (20, 197114), (40, 98557), (67, 58840), (134, 29420), (268, 14710), (335, 11768), (536, 7355), (670, 5884), (1340, 2942), (1471, 2680)]